[{"author":[{"full_name":"Al Hyder, Ragheed","id":"d1c405be-ae15-11ed-8510-ccf53278162e","last_name":"Al Hyder","first_name":"Ragheed"},{"first_name":"Alberto","last_name":"Cappellaro","id":"9d13b3cb-30a2-11eb-80dc-f772505e8660","orcid":"0000-0001-6110-2359","full_name":"Cappellaro, Alberto"},{"full_name":"Lemeshko, Mikhail","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802","first_name":"Mikhail","last_name":"Lemeshko"},{"full_name":"Volosniev, Artem","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev"}],"volume":159,"date_created":"2023-09-13T09:25:09Z","date_updated":"2023-09-20T09:48:12Z","pmid":1,"year":"2023","acknowledgement":"We thank Zhanybek Alpichshev, Mohammad Reza Safari, Binghai Yan, and Yossi Paltiel for enlightening discussions.\r\nM.L. acknowledges support from the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). A. C. received funding from the European Union’s Horizon Europe research and innovation program under the Marie Skłodowska-Curie Grant Agreement No. 101062862 - NeqMolRot.","department":[{"_id":"MiLe"}],"publisher":"AIP Publishing","publication_status":"published","ec_funded":1,"file_date_updated":"2023-09-13T09:34:20Z","article_number":"104103","doi":"10.1063/5.0165806","language":[{"iso":"eng"}],"oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"arxiv":["2306.17592"],"pmid":["37694742"]},"project":[{"name":"Non-equilibrium Field Theory of Molecular Rotations","_id":"bd7b5202-d553-11ed-ba76-9b1c1b258338","grant_number":"101062862"},{"_id":"2688CF98-B435-11E9-9278-68D0E5697425","grant_number":"801770","name":"Angulon: physics and applications of a new quasiparticle","call_identifier":"H2020"}],"quality_controlled":"1","publication_identifier":{"eissn":["1089-7690"],"issn":["0021-9606"]},"month":"09","file":[{"access_level":"open_access","file_name":"104103_1_5.0165806.pdf","creator":"acappell","content_type":"application/pdf","file_size":5749653,"file_id":"14322","relation":"main_file","success":1,"checksum":"507ab65ab29e2c987c94cabad7c5370b","date_updated":"2023-09-13T09:34:20Z","date_created":"2023-09-13T09:34:20Z"}],"oa_version":"Published Version","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"14321","intvolume":" 159","title":"Achiral dipoles on a ferromagnet can affect its magnetization direction","ddc":["530"],"status":"public","issue":"10","abstract":[{"text":"We demonstrate the possibility of a coupling between the magnetization direction of a ferromagnet and the tilting angle of adsorbed achiral molecules. To illustrate the mechanism of the coupling, we analyze a minimal Stoner model that includes Rashba spin–orbit coupling due to the electric field on the surface of the ferromagnet. The proposed mechanism allows us to study magnetic anisotropy of the system with an extended Stoner–Wohlfarth model and argue that adsorbed achiral molecules can change magnetocrystalline anisotropy of the substrate. Our research aims to motivate further experimental studies of the current-free chirality induced spin selectivity effect involving both enantiomers.","lang":"eng"}],"type":"journal_article","date_published":"2023-09-11T00:00:00Z","citation":{"mla":"Al Hyder, Ragheed, et al. “Achiral Dipoles on a Ferromagnet Can Affect Its Magnetization Direction.” The Journal of Chemical Physics, vol. 159, no. 10, 104103, AIP Publishing, 2023, doi:10.1063/5.0165806.","short":"R. Al Hyder, A. Cappellaro, M. Lemeshko, A. Volosniev, The Journal of Chemical Physics 159 (2023).","chicago":"Al Hyder, Ragheed, Alberto Cappellaro, Mikhail Lemeshko, and Artem Volosniev. “Achiral Dipoles on a Ferromagnet Can Affect Its Magnetization Direction.” The Journal of Chemical Physics. AIP Publishing, 2023. https://doi.org/10.1063/5.0165806.","ama":"Al Hyder R, Cappellaro A, Lemeshko M, Volosniev A. Achiral dipoles on a ferromagnet can affect its magnetization direction. The Journal of Chemical Physics. 2023;159(10). doi:10.1063/5.0165806","ista":"Al Hyder R, Cappellaro A, Lemeshko M, Volosniev A. 2023. Achiral dipoles on a ferromagnet can affect its magnetization direction. The Journal of Chemical Physics. 159(10), 104103.","ieee":"R. Al Hyder, A. Cappellaro, M. Lemeshko, and A. Volosniev, “Achiral dipoles on a ferromagnet can affect its magnetization direction,” The Journal of Chemical Physics, vol. 159, no. 10. AIP Publishing, 2023.","apa":"Al Hyder, R., Cappellaro, A., Lemeshko, M., & Volosniev, A. (2023). Achiral dipoles on a ferromagnet can affect its magnetization direction. The Journal of Chemical Physics. AIP Publishing. https://doi.org/10.1063/5.0165806"},"publication":"The Journal of Chemical Physics","article_type":"original","article_processing_charge":"Yes (in subscription journal)","has_accepted_license":"1","day":"11","scopus_import":"1","keyword":["Physical and Theoretical Chemistry","General Physics and Astronomy"]},{"citation":{"ista":"Khatoniar M, Yama N, Ghazaryan A, Guddala S, Ghaemi P, Majumdar K, Menon V. 2023. Optical manipulation of Layer–Valley coherence via strong exciton–photon coupling in microcavities. Advanced Optical Materials. 11(13), 2202631.","apa":"Khatoniar, M., Yama, N., Ghazaryan, A., Guddala, S., Ghaemi, P., Majumdar, K., & Menon, V. (2023). Optical manipulation of Layer–Valley coherence via strong exciton–photon coupling in microcavities. Advanced Optical Materials. Wiley. https://doi.org/10.1002/adom.202202631","ieee":"M. Khatoniar et al., “Optical manipulation of Layer–Valley coherence via strong exciton–photon coupling in microcavities,” Advanced Optical Materials, vol. 11, no. 13. Wiley, 2023.","ama":"Khatoniar M, Yama N, Ghazaryan A, et al. Optical manipulation of Layer–Valley coherence via strong exciton–photon coupling in microcavities. Advanced Optical Materials. 2023;11(13). doi:10.1002/adom.202202631","chicago":"Khatoniar, Mandeep, Nicholas Yama, Areg Ghazaryan, Sriram Guddala, Pouyan Ghaemi, Kausik Majumdar, and Vinod Menon. “Optical Manipulation of Layer–Valley Coherence via Strong Exciton–Photon Coupling in Microcavities.” Advanced Optical Materials. Wiley, 2023. https://doi.org/10.1002/adom.202202631.","mla":"Khatoniar, Mandeep, et al. “Optical Manipulation of Layer–Valley Coherence via Strong Exciton–Photon Coupling in Microcavities.” Advanced Optical Materials, vol. 11, no. 13, 2202631, Wiley, 2023, doi:10.1002/adom.202202631.","short":"M. Khatoniar, N. Yama, A. Ghazaryan, S. Guddala, P. Ghaemi, K. Majumdar, V. Menon, Advanced Optical Materials 11 (2023)."},"publication":"Advanced Optical Materials","article_type":"original","date_published":"2023-07-04T00:00:00Z","scopus_import":"1","article_processing_charge":"No","day":"04","_id":"12836","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","intvolume":" 11","title":"Optical manipulation of Layer–Valley coherence via strong exciton–photon coupling in microcavities","status":"public","oa_version":"Preprint","type":"journal_article","issue":"13","abstract":[{"text":"Coherent control and manipulation of quantum degrees of freedom such as spins forms the basis of emerging quantum technologies. In this context, the robust valley degree of freedom and the associated valley pseudospin found in two-dimensional transition metal dichalcogenides is a highly attractive platform. Valley polarization and coherent superposition of valley states have been observed in these systems even up to room temperature. Control of valley coherence is an important building block for the implementation of valley qubit. Large magnetic fields or high-power lasers have been used in the past to demonstrate the control (initialization and rotation) of the valley coherent states. Here, the control of layer–valley coherence via strong coupling of valley excitons in bilayer WS2 to microcavity photons is demonstrated by exploiting the pseudomagnetic field arising in optical cavities owing to the transverse electric–transverse magnetic (TE–TM)mode splitting. The use of photonic structures to generate pseudomagnetic fields which can be used to manipulate exciton-polaritons presents an attractive approach to control optical responses without the need for large magnets or high-intensity optical pump powers.","lang":"eng"}],"oa":1,"main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2211.08755"}],"external_id":{"arxiv":["2211.08755"],"isi":["000963866700001"]},"isi":1,"quality_controlled":"1","doi":"10.1002/adom.202202631","language":[{"iso":"eng"}],"publication_identifier":{"eissn":["2195-1071"]},"month":"07","year":"2023","acknowledgement":"The authors acknowledge insightful discussions with Prof. Wang Yao and graphics by Rezlind Bushati. M.K. and N.Y. acknowledge support from NSF grants NSF DMR-1709996 and NSF OMA 1936276. S.G. was supported by the Army Research Office Multidisciplinary University Research Initiative program (W911NF-17-1-0312) and V.M.M. by the Army Research Office grant (W911NF-22-1-0091). K.M acknowledges the SPARC program that supported his collaboration with the CUNY team. The authors acknowledge the Nanofabrication facility at the CUNY Advanced Science Research Center where the cavity devices were fabricated.","department":[{"_id":"MiLe"}],"publisher":"Wiley","publication_status":"published","author":[{"last_name":"Khatoniar","first_name":"Mandeep","full_name":"Khatoniar, Mandeep"},{"full_name":"Yama, Nicholas","first_name":"Nicholas","last_name":"Yama"},{"full_name":"Ghazaryan, Areg","first_name":"Areg","last_name":"Ghazaryan","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-9666-3543"},{"first_name":"Sriram","last_name":"Guddala","full_name":"Guddala, Sriram"},{"full_name":"Ghaemi, Pouyan","last_name":"Ghaemi","first_name":"Pouyan"},{"full_name":"Majumdar, Kausik","first_name":"Kausik","last_name":"Majumdar"},{"full_name":"Menon, Vinod","last_name":"Menon","first_name":"Vinod"}],"volume":11,"date_updated":"2023-10-04T11:15:17Z","date_created":"2023-04-16T22:01:09Z","article_number":"2202631"},{"ec_funded":1,"file_date_updated":"2023-08-14T07:43:45Z","license":"https://creativecommons.org/licenses/by-nc-nd/4.0/","article_number":"e2300828120","author":[{"first_name":"Ofek","last_name":"Vardi","full_name":"Vardi, Ofek"},{"full_name":"Maroudas-Sklare, Naama","last_name":"Maroudas-Sklare","first_name":"Naama"},{"full_name":"Kolodny, Yuval","first_name":"Yuval","last_name":"Kolodny"},{"id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev","full_name":"Volosniev, Artem"},{"full_name":"Saragovi, Amijai","first_name":"Amijai","last_name":"Saragovi"},{"full_name":"Galili, Nir","last_name":"Galili","first_name":"Nir"},{"full_name":"Ferrera, Stav","last_name":"Ferrera","first_name":"Stav"},{"full_name":"Ghazaryan, Areg","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-9666-3543","first_name":"Areg","last_name":"Ghazaryan"},{"first_name":"Nir","last_name":"Yuran","full_name":"Yuran, Nir"},{"full_name":"Affek, Hagit P.","first_name":"Hagit P.","last_name":"Affek"},{"full_name":"Luz, Boaz","first_name":"Boaz","last_name":"Luz"},{"full_name":"Goldsmith, Yonaton","last_name":"Goldsmith","first_name":"Yonaton"},{"first_name":"Nir","last_name":"Keren","full_name":"Keren, Nir"},{"full_name":"Yochelis, Shira","last_name":"Yochelis","first_name":"Shira"},{"full_name":"Halevy, Itay","last_name":"Halevy","first_name":"Itay"},{"full_name":"Lemeshko, Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","last_name":"Lemeshko","first_name":"Mikhail"},{"first_name":"Yossi","last_name":"Paltiel","full_name":"Paltiel, Yossi"}],"volume":120,"date_updated":"2023-10-17T11:45:25Z","date_created":"2023-08-13T22:01:12Z","pmid":1,"acknowledgement":"N.M.-S. acknowledges the support of the Ministry of Energy, Israel, as part of the scholarship program for graduate students in the fields of energy. M.L. acknowledges support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). Y.P. acknowledges the support of the Ministry of Innovation, Science and Technology, Israel Grant No. 1001593872. Y.P acknowledges the support of the BSF-NSF 094 Grant No. 2022503.","year":"2023","department":[{"_id":"MiLe"}],"publisher":"National Academy of Sciences","publication_status":"published","publication_identifier":{"eissn":["1091-6490"]},"month":"07","doi":"10.1073/pnas.2300828120","language":[{"iso":"eng"}],"tmp":{"name":"Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)","legal_code_url":"https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode","short":"CC BY-NC-ND (4.0)","image":"/images/cc_by_nc_nd.png"},"oa":1,"external_id":{"pmid":["37523549"]},"project":[{"name":"Angulon: physics and applications of a new quasiparticle","call_identifier":"H2020","grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425"}],"quality_controlled":"1","issue":"32","abstract":[{"text":"Traditionally, nuclear spin is not considered to affect biological processes. Recently, this has changed as isotopic fractionation that deviates from classical mass dependence was reported both in vitro and in vivo. In these cases, the isotopic effect correlates with the nuclear magnetic spin. Here, we show nuclear spin effects using stable oxygen isotopes (16O, 17O, and 18O) in two separate setups: an artificial dioxygen production system and biological aquaporin channels in cells. We observe that oxygen dynamics in chiral environments (in particular its transport) depend on nuclear spin, suggesting future applications for controlled isotope separation to be used, for instance, in NMR. To demonstrate the mechanism behind our findings, we formulate theoretical models based on a nuclear-spin-enhanced switch between electronic spin states. Accounting for the role of nuclear spin in biology can provide insights into the role of quantum effects in living systems and help inspire the development of future biotechnology solutions.","lang":"eng"}],"type":"journal_article","file":[{"file_name":"2023_PNAS_Vardi.pdf","access_level":"open_access","creator":"dernst","file_size":1003092,"content_type":"application/pdf","file_id":"14047","relation":"main_file","date_updated":"2023-08-14T07:43:45Z","date_created":"2023-08-14T07:43:45Z","success":1,"checksum":"a5ed64788a5acef9b9a300a26fa5a177"}],"oa_version":"Published Version","_id":"14037","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","intvolume":" 120","title":"Nuclear spin effects in biological processes","ddc":["530"],"status":"public","article_processing_charge":"Yes (in subscription journal)","has_accepted_license":"1","day":"31","scopus_import":"1","date_published":"2023-07-31T00:00:00Z","citation":{"ieee":"O. Vardi et al., “Nuclear spin effects in biological processes,” Proceedings of the National Academy of Sciences of the United States of America, vol. 120, no. 32. National Academy of Sciences, 2023.","apa":"Vardi, O., Maroudas-Sklare, N., Kolodny, Y., Volosniev, A., Saragovi, A., Galili, N., … Paltiel, Y. (2023). Nuclear spin effects in biological processes. Proceedings of the National Academy of Sciences of the United States of America. National Academy of Sciences. https://doi.org/10.1073/pnas.2300828120","ista":"Vardi O, Maroudas-Sklare N, Kolodny Y, Volosniev A, Saragovi A, Galili N, Ferrera S, Ghazaryan A, Yuran N, Affek HP, Luz B, Goldsmith Y, Keren N, Yochelis S, Halevy I, Lemeshko M, Paltiel Y. 2023. Nuclear spin effects in biological processes. Proceedings of the National Academy of Sciences of the United States of America. 120(32), e2300828120.","ama":"Vardi O, Maroudas-Sklare N, Kolodny Y, et al. Nuclear spin effects in biological processes. Proceedings of the National Academy of Sciences of the United States of America. 2023;120(32). doi:10.1073/pnas.2300828120","chicago":"Vardi, Ofek, Naama Maroudas-Sklare, Yuval Kolodny, Artem Volosniev, Amijai Saragovi, Nir Galili, Stav Ferrera, et al. “Nuclear Spin Effects in Biological Processes.” Proceedings of the National Academy of Sciences of the United States of America. National Academy of Sciences, 2023. https://doi.org/10.1073/pnas.2300828120.","short":"O. Vardi, N. Maroudas-Sklare, Y. Kolodny, A. Volosniev, A. Saragovi, N. Galili, S. Ferrera, A. Ghazaryan, N. Yuran, H.P. Affek, B. Luz, Y. Goldsmith, N. Keren, S. Yochelis, I. Halevy, M. Lemeshko, Y. Paltiel, Proceedings of the National Academy of Sciences of the United States of America 120 (2023).","mla":"Vardi, Ofek, et al. “Nuclear Spin Effects in Biological Processes.” Proceedings of the National Academy of Sciences of the United States of America, vol. 120, no. 32, e2300828120, National Academy of Sciences, 2023, doi:10.1073/pnas.2300828120."},"publication":"Proceedings of the National Academy of Sciences of the United States of America","article_type":"original"},{"file_date_updated":"2023-11-07T07:52:46Z","ec_funded":1,"article_number":"043016","author":[{"first_name":"Georgios","last_name":"Koutentakis","id":"d7b23d3a-9e21-11ec-b482-f76739596b95","full_name":"Koutentakis, Georgios"},{"full_name":"Ghazaryan, Areg","last_name":"Ghazaryan","first_name":"Areg","orcid":"0000-0001-9666-3543","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87"},{"last_name":"Lemeshko","first_name":"Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","full_name":"Lemeshko, Mikhail"}],"date_created":"2023-11-05T23:00:53Z","date_updated":"2023-11-07T07:53:39Z","volume":5,"year":"2023","acknowledgement":"We thank Zh. Alpichshev, A. Volosniev, and A. V. Zampetaki for fruitful discussions and comments. This project received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 101034413. M.L. acknowledges support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON).","publication_status":"published","publisher":"American Physical Society","department":[{"_id":"MiLe"}],"month":"10","publication_identifier":{"issn":["2643-1564"]},"doi":"10.1103/PhysRevResearch.5.043016","language":[{"iso":"eng"}],"external_id":{"arxiv":["2301.09875"]},"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"quality_controlled":"1","project":[{"name":"IST-BRIDGE: International postdoctoral program","call_identifier":"H2020","grant_number":"101034413","_id":"fc2ed2f7-9c52-11eb-aca3-c01059dda49c"},{"_id":"2688CF98-B435-11E9-9278-68D0E5697425","grant_number":"801770","call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle"}],"abstract":[{"text":"We present a minimal model of ferroelectric large polarons, which are suggested as one of the mechanisms responsible for the unique charge transport properties of hybrid perovskites. We demonstrate that short-ranged charge–rotor interactions lead to long-range ferroelectric ordering of rotors, which strongly affects the carrier mobility. In the nonperturbative regime, where our theory cannot be reduced to any of the earlier models, we reveal that the polaron is characterized by large coherence length and a roughly tenfold increase of the effective mass as compared to the bare mass. These results are in good agreement with other theoretical predictions for ferroelectric polarons. Our model establishes a general phenomenological framework for ferroelectric polarons providing the starting point for future studies of their role in the transport properties of hybrid organic-inorganic perovskites.","lang":"eng"}],"issue":"4","type":"journal_article","oa_version":"Published Version","file":[{"file_name":"2023_PhysReviewResearch_Koutentakis.pdf","access_level":"open_access","creator":"dernst","file_size":1127522,"content_type":"application/pdf","file_id":"14493","relation":"main_file","date_created":"2023-11-07T07:52:46Z","date_updated":"2023-11-07T07:52:46Z","success":1,"checksum":"cb8de8fed6e09df1a18bd5a5aec5c55c"}],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"14486","ddc":["530"],"status":"public","title":"Rotor lattice model of ferroelectric large polarons","intvolume":" 5","day":"05","has_accepted_license":"1","article_processing_charge":"Yes","scopus_import":"1","date_published":"2023-10-05T00:00:00Z","publication":"Physical Review Research","citation":{"mla":"Koutentakis, Georgios, et al. “Rotor Lattice Model of Ferroelectric Large Polarons.” Physical Review Research, vol. 5, no. 4, 043016, American Physical Society, 2023, doi:10.1103/PhysRevResearch.5.043016.","short":"G. Koutentakis, A. Ghazaryan, M. Lemeshko, Physical Review Research 5 (2023).","chicago":"Koutentakis, Georgios, Areg Ghazaryan, and Mikhail Lemeshko. “Rotor Lattice Model of Ferroelectric Large Polarons.” Physical Review Research. American Physical Society, 2023. https://doi.org/10.1103/PhysRevResearch.5.043016.","ama":"Koutentakis G, Ghazaryan A, Lemeshko M. Rotor lattice model of ferroelectric large polarons. Physical Review Research. 2023;5(4). doi:10.1103/PhysRevResearch.5.043016","ista":"Koutentakis G, Ghazaryan A, Lemeshko M. 2023. Rotor lattice model of ferroelectric large polarons. Physical Review Research. 5(4), 043016.","apa":"Koutentakis, G., Ghazaryan, A., & Lemeshko, M. (2023). Rotor lattice model of ferroelectric large polarons. Physical Review Research. American Physical Society. https://doi.org/10.1103/PhysRevResearch.5.043016","ieee":"G. Koutentakis, A. Ghazaryan, and M. Lemeshko, “Rotor lattice model of ferroelectric large polarons,” Physical Review Research, vol. 5, no. 4. American Physical Society, 2023."},"article_type":"original"},{"quality_controlled":"1","project":[{"name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020","grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425"}],"main_file_link":[{"url":"https://doi.org/10.48550/arXiv.2202.11071","open_access":"1"}],"external_id":{"arxiv":["2202.11071"]},"oa":1,"language":[{"iso":"eng"}],"doi":"10.1016/j.physrep.2023.10.004","month":"11","publication_identifier":{"issn":["0370-1573"]},"publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"Elsevier","year":"2023","acknowledgement":"This review could not have been written without the many fruitful discussions and great collaborations with colleagues throughout the years, there are too many to mention. Here we acknowledge conversations regarding the context of the review with Joachim Brand, Fabian Brauneis, Adolfo del Campo, Alberto Cappellaro, Panagiotis Giannakeas, Tommaso Macrí, Oleksandr Marchukov, Lukas Rammelmüller and Manuel Valiente. S. I. M. acknowledges support from the NSF through a grant for ITAMP at Harvard University. T.F. acknowledges support from JSPS KAKENHI Grant Number JP23K03290 and T.F. and Th.B. acknowledge support from the Okinawa Institute for Science and Technology Graduate University, and JST Grant Number JPMJPF2221. A.F. and R. E. B. acknowledge support from CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico) - Edital Universal 406563/2021-7. A. G. V. acknowledges support by European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 754411. P. S. is supported by the Cluster of Excellence ‘Advanced Imaging of Matter’ of the Deutsche Forschungsgemeinschaft (DFG) - EXC2056 - project ID 390715994. N. T. Z. is partially supported by the Independent Research Fund Denmark .","date_created":"2023-11-12T23:00:54Z","date_updated":"2023-11-13T08:01:57Z","volume":1042,"author":[{"last_name":"Mistakidis","first_name":"S. I.","full_name":"Mistakidis, S. I."},{"full_name":"Volosniev, Artem","first_name":"Artem","last_name":"Volosniev","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525"},{"full_name":"Barfknecht, R. E.","last_name":"Barfknecht","first_name":"R. E."},{"full_name":"Fogarty, T.","first_name":"T.","last_name":"Fogarty"},{"first_name":"Th","last_name":"Busch","full_name":"Busch, Th"},{"first_name":"A.","last_name":"Foerster","full_name":"Foerster, A."},{"first_name":"P.","last_name":"Schmelcher","full_name":"Schmelcher, P."},{"full_name":"Zinner, N. T.","first_name":"N. T.","last_name":"Zinner"}],"ec_funded":1,"article_type":"original","page":"1-108","publication":"Physics Reports","citation":{"chicago":"Mistakidis, S. I., Artem Volosniev, R. E. Barfknecht, T. Fogarty, Th Busch, A. Foerster, P. Schmelcher, and N. T. Zinner. “Few-Body Bose Gases in Low Dimensions - A Laboratory for Quantum Dynamics.” Physics Reports. Elsevier, 2023. https://doi.org/10.1016/j.physrep.2023.10.004.","short":"S.I. Mistakidis, A. Volosniev, R.E. Barfknecht, T. Fogarty, T. Busch, A. Foerster, P. Schmelcher, N.T. Zinner, Physics Reports 1042 (2023) 1–108.","mla":"Mistakidis, S. I., et al. “Few-Body Bose Gases in Low Dimensions - A Laboratory for Quantum Dynamics.” Physics Reports, vol. 1042, Elsevier, 2023, pp. 1–108, doi:10.1016/j.physrep.2023.10.004.","apa":"Mistakidis, S. I., Volosniev, A., Barfknecht, R. E., Fogarty, T., Busch, T., Foerster, A., … Zinner, N. T. (2023). Few-body Bose gases in low dimensions - A laboratory for quantum dynamics. Physics Reports. Elsevier. https://doi.org/10.1016/j.physrep.2023.10.004","ieee":"S. I. Mistakidis et al., “Few-body Bose gases in low dimensions - A laboratory for quantum dynamics,” Physics Reports, vol. 1042. Elsevier, pp. 1–108, 2023.","ista":"Mistakidis SI, Volosniev A, Barfknecht RE, Fogarty T, Busch T, Foerster A, Schmelcher P, Zinner NT. 2023. Few-body Bose gases in low dimensions - A laboratory for quantum dynamics. Physics Reports. 1042, 1–108.","ama":"Mistakidis SI, Volosniev A, Barfknecht RE, et al. Few-body Bose gases in low dimensions - A laboratory for quantum dynamics. Physics Reports. 2023;1042:1-108. doi:10.1016/j.physrep.2023.10.004"},"date_published":"2023-11-29T00:00:00Z","scopus_import":"1","day":"29","article_processing_charge":"No","title":"Few-body Bose gases in low dimensions - A laboratory for quantum dynamics","status":"public","intvolume":" 1042","_id":"14513","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","oa_version":"Preprint","type":"journal_article","abstract":[{"lang":"eng","text":"Cold atomic gases have become a paradigmatic system for exploring fundamental physics, which at the same time allows for applications in quantum technologies. The accelerating developments in the field have led to a highly advanced set of engineering techniques that, for example, can tune interactions, shape the external geometry, select among a large set of atomic species with different properties, or control the number of atoms. In particular, it is possible to operate in lower dimensions and drive atomic systems into the strongly correlated regime. In this review, we discuss recent advances in few-body cold atom systems confined in low dimensions from a theoretical viewpoint. We mainly focus on bosonic systems in one dimension and provide an introduction to the static properties before we review the state-of-the-art research into quantum dynamical processes stimulated by the presence of correlations. Besides discussing the fundamental physical phenomena arising in these systems, we also provide an overview of the calculational and numerical tools and methods that are commonly used, thus delivering a balanced and comprehensive overview of the field. We conclude by giving an outlook on possible future directions that are interesting to explore in these correlated systems."}]},{"file":[{"content_type":"application/pdf","file_size":2362158,"creator":"dernst","access_level":"open_access","file_name":"2023_PhysReviewResearch_Becker.pdf","checksum":"ee31c0d0de5d1b65591990ae6705a601","success":1,"date_updated":"2023-12-11T10:49:07Z","date_created":"2023-12-11T10:49:07Z","relation":"main_file","file_id":"14672"}],"oa_version":"Published Version","intvolume":" 5","ddc":["530"],"title":"Spin-charge correlations in finite one-dimensional multiband Fermi systems","status":"public","_id":"14658","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","issue":"4","abstract":[{"text":"We investigate spin-charge separation of a spin-\r\n1\r\n2\r\n Fermi system confined in a triple well where multiple bands are occupied. We assume that our finite fermionic system is close to fully spin polarized while being doped by a hole and an impurity fermion with opposite spin. Our setup involves ferromagnetic couplings among the particles in different bands, leading to the development of strong spin-transport correlations in an intermediate interaction regime. Interactions are then strong enough to lift the degeneracy among singlet and triplet spin configurations in the well of the spin impurity but not strong enough to prohibit hole-induced magnetic excitations to the singlet state. Despite the strong spin-hole correlations, the system exhibits spin-charge deconfinement allowing for long-range entanglement of the spatial and spin degrees of freedom.","lang":"eng"}],"type":"journal_article","date_published":"2023-10-12T00:00:00Z","article_type":"original","citation":{"mla":"Becker, J. M., et al. “Spin-Charge Correlations in Finite One-Dimensional Multiband Fermi Systems.” Physical Review Research, vol. 5, no. 4, 043039, American Physical Society, 2023, doi:10.1103/PhysRevResearch.5.043039.","short":"J.M. Becker, G. Koutentakis, P. Schmelcher, Physical Review Research 5 (2023).","chicago":"Becker, J. M., Georgios Koutentakis, and P. Schmelcher. “Spin-Charge Correlations in Finite One-Dimensional Multiband Fermi Systems.” Physical Review Research. American Physical Society, 2023. https://doi.org/10.1103/PhysRevResearch.5.043039.","ama":"Becker JM, Koutentakis G, Schmelcher P. Spin-charge correlations in finite one-dimensional multiband Fermi systems. Physical Review Research. 2023;5(4). doi:10.1103/PhysRevResearch.5.043039","ista":"Becker JM, Koutentakis G, Schmelcher P. 2023. Spin-charge correlations in finite one-dimensional multiband Fermi systems. Physical Review Research. 5(4), 043039.","apa":"Becker, J. M., Koutentakis, G., & Schmelcher, P. (2023). Spin-charge correlations in finite one-dimensional multiband Fermi systems. Physical Review Research. American Physical Society. https://doi.org/10.1103/PhysRevResearch.5.043039","ieee":"J. M. Becker, G. Koutentakis, and P. Schmelcher, “Spin-charge correlations in finite one-dimensional multiband Fermi systems,” Physical Review Research, vol. 5, no. 4. American Physical Society, 2023."},"publication":"Physical Review Research","article_processing_charge":"Yes","has_accepted_license":"1","day":"12","scopus_import":"1","volume":5,"date_created":"2023-12-10T23:00:58Z","date_updated":"2023-12-11T10:55:52Z","author":[{"last_name":"Becker","first_name":"J. M.","full_name":"Becker, J. M."},{"full_name":"Koutentakis, Georgios","id":"d7b23d3a-9e21-11ec-b482-f76739596b95","first_name":"Georgios","last_name":"Koutentakis"},{"last_name":"Schmelcher","first_name":"P.","full_name":"Schmelcher, P."}],"department":[{"_id":"MiLe"}],"publisher":"American Physical Society","publication_status":"published","year":"2023","acknowledgement":"This work has been funded by the Cluster of Excellence “Advanced Imaging of Matter” of the Deutsche Forschungsgemeinschaft (DFG)-EXC 2056-Project ID No. 390715994. G.M.K. gratefully acknowledges funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 101034413.","ec_funded":1,"file_date_updated":"2023-12-11T10:49:07Z","article_number":"043039","language":[{"iso":"eng"}],"doi":"10.1103/PhysRevResearch.5.043039","project":[{"call_identifier":"H2020","name":"IST-BRIDGE: International postdoctoral program","grant_number":"101034413","_id":"fc2ed2f7-9c52-11eb-aca3-c01059dda49c"}],"quality_controlled":"1","oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"arxiv":["2305.09529"]},"publication_identifier":{"issn":["2643-1564"]},"month":"10"},{"acknowledgement":"We thank Lauriane Chomaz for useful discussions and comments on the manuscript. We also\r\nthank Ragheed Al Hyder for comments on the manuscript.\r\nG.B. acknowledges support from the Austrian Science Fund (FWF),\r\nunder Project No. M2641-N27. This work is supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany’s Excellence Strategy EXC2181/1-\r\n390900948 (the Heidelberg STRUCTURES Excellence Cluster). A. G. V. acknowledges support from the European Union’s Horizon 2020 research and innovation programme under the\r\nMarie Skłodowska-Curie Grant Agreement No. 754411. L.A.P.A acknowledges by the PNRR\r\nMUR project PE0000023 - NQSTI and the Deutsche Forschungsgemeinschaft (DFG, German\r\nResearch Foundation) under Germany’s Excellence Strategy - EXC - 2123 Quantum Frontiers390837967 and FOR2247.","year":"2023","publisher":"SciPost Foundation","department":[{"_id":"MiLe"}],"publication_status":"published","author":[{"full_name":"Volosniev, Artem","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev"},{"first_name":"Giacomo","last_name":"Bighin","id":"4CA96FD4-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-8823-9777","full_name":"Bighin, Giacomo"},{"full_name":"Santos, Luis","last_name":"Santos","first_name":"Luis"},{"full_name":"Peña Ardila, Luisllu A.","first_name":"Luisllu A.","last_name":"Peña Ardila"}],"volume":15,"date_created":"2023-12-10T13:03:07Z","date_updated":"2023-12-11T07:44:08Z","article_number":"232","ec_funded":1,"file_date_updated":"2023-12-11T07:42:04Z","external_id":{"arxiv":["2305.17969"]},"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"project":[{"_id":"26986C82-B435-11E9-9278-68D0E5697425","grant_number":"M02641","name":"A path-integral approach to composite impurities","call_identifier":"FWF"},{"_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411","call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships"}],"quality_controlled":"1","doi":"10.21468/scipostphys.15.6.232","language":[{"iso":"eng"}],"publication_identifier":{"issn":["2542-4653"]},"month":"12","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"14650","intvolume":" 15","ddc":["530"],"title":"Non-equilibrium dynamics of dipolar polarons","status":"public","oa_version":"Published Version","file":[{"checksum":"e664372a1fe9d628a9bb1d135ebab7d8","success":1,"date_created":"2023-12-11T07:42:04Z","date_updated":"2023-12-11T07:42:04Z","relation":"main_file","file_id":"14669","file_size":3543541,"content_type":"application/pdf","creator":"dernst","access_level":"open_access","file_name":"2023_SciPostPhysics_Volosniev.pdf"}],"type":"journal_article","issue":"6","abstract":[{"lang":"eng","text":"We study the out-of-equilibrium quantum dynamics of dipolar polarons, i.e., impurities immersed in a dipolar Bose-Einstein condensate, after a quench of the impurity-boson interaction. We show that the dipolar nature of the condensate and of the impurity results in anisotropic relaxation dynamics, in particular, anisotropic dressing of the polaron. More relevantly for cold-atom setups, quench dynamics is strongly affected by the interplay between dipolar anisotropy and trap geometry. Our findings pave the way for simulating impurities in anisotropic media utilizing experiments with dipolar mixtures."}],"citation":{"ama":"Volosniev A, Bighin G, Santos L, Peña Ardila LA. Non-equilibrium dynamics of dipolar polarons. SciPost Physics. 2023;15(6). doi:10.21468/scipostphys.15.6.232","apa":"Volosniev, A., Bighin, G., Santos, L., & Peña Ardila, L. A. (2023). Non-equilibrium dynamics of dipolar polarons. SciPost Physics. SciPost Foundation. https://doi.org/10.21468/scipostphys.15.6.232","ieee":"A. Volosniev, G. Bighin, L. Santos, and L. A. Peña Ardila, “Non-equilibrium dynamics of dipolar polarons,” SciPost Physics, vol. 15, no. 6. SciPost Foundation, 2023.","ista":"Volosniev A, Bighin G, Santos L, Peña Ardila LA. 2023. Non-equilibrium dynamics of dipolar polarons. SciPost Physics. 15(6), 232.","short":"A. Volosniev, G. Bighin, L. Santos, L.A. Peña Ardila, SciPost Physics 15 (2023).","mla":"Volosniev, Artem, et al. “Non-Equilibrium Dynamics of Dipolar Polarons.” SciPost Physics, vol. 15, no. 6, 232, SciPost Foundation, 2023, doi:10.21468/scipostphys.15.6.232.","chicago":"Volosniev, Artem, Giacomo Bighin, Luis Santos, and Luisllu A. Peña Ardila. “Non-Equilibrium Dynamics of Dipolar Polarons.” SciPost Physics. SciPost Foundation, 2023. https://doi.org/10.21468/scipostphys.15.6.232."},"publication":"SciPost Physics","article_type":"original","date_published":"2023-12-07T00:00:00Z","keyword":["General Physics and Astronomy"],"has_accepted_license":"1","article_processing_charge":"No","day":"07"},{"date_published":"2023-01-24T00:00:00Z","publication":"SciPost Physics","citation":{"chicago":"Rammelmüller, Lukas, David Huber, Matija Čufar, Joachim Brand, Hans-Werner Hammer, and Artem Volosniev. “Magnetic Impurity in a One-Dimensional Few-Fermion System.” SciPost Physics. SciPost Foundation, 2023. https://doi.org/10.21468/scipostphys.14.1.006.","short":"L. Rammelmüller, D. Huber, M. Čufar, J. Brand, H.-W. Hammer, A. Volosniev, SciPost Physics 14 (2023).","mla":"Rammelmüller, Lukas, et al. “Magnetic Impurity in a One-Dimensional Few-Fermion System.” SciPost Physics, vol. 14, no. 1, 006, SciPost Foundation, 2023, doi:10.21468/scipostphys.14.1.006.","ieee":"L. Rammelmüller, D. Huber, M. Čufar, J. Brand, H.-W. Hammer, and A. Volosniev, “Magnetic impurity in a one-dimensional few-fermion system,” SciPost Physics, vol. 14, no. 1. SciPost Foundation, 2023.","apa":"Rammelmüller, L., Huber, D., Čufar, M., Brand, J., Hammer, H.-W., & Volosniev, A. (2023). Magnetic impurity in a one-dimensional few-fermion system. SciPost Physics. SciPost Foundation. https://doi.org/10.21468/scipostphys.14.1.006","ista":"Rammelmüller L, Huber D, Čufar M, Brand J, Hammer H-W, Volosniev A. 2023. Magnetic impurity in a one-dimensional few-fermion system. SciPost Physics. 14(1), 006.","ama":"Rammelmüller L, Huber D, Čufar M, Brand J, Hammer H-W, Volosniev A. Magnetic impurity in a one-dimensional few-fermion system. SciPost Physics. 2023;14(1). doi:10.21468/scipostphys.14.1.006"},"article_type":"original","day":"24","has_accepted_license":"1","article_processing_charge":"No","scopus_import":"1","keyword":["General Physics and Astronomy"],"file":[{"access_level":"open_access","file_name":"2023_SciPostPhysics_Rammelmueller.pdf","file_size":1163444,"content_type":"application/pdf","creator":"dernst","relation":"main_file","file_id":"13328","checksum":"ffdb70b9ae7aa45ea4ea6096ecbd6431","success":1,"date_created":"2023-07-31T08:44:38Z","date_updated":"2023-07-31T08:44:38Z"}],"oa_version":"Published Version","_id":"13278","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","title":"Magnetic impurity in a one-dimensional few-fermion system","ddc":["530"],"status":"public","intvolume":" 14","abstract":[{"text":"We present a numerical analysis of spin-1/2 fermions in a one-dimensional harmonic potential in the presence of a magnetic point-like impurity at the center of the trap. The model represents a few-body analogue of a magnetic impurity in the vicinity of an s-wave superconductor. Already for a few particles we find a ground-state level crossing between sectors with different fermion parities. We interpret this crossing as a few-body precursor of a quantum phase transition, which occurs when the impurity \"breaks\" a Cooper pair. This picture is further corroborated by analyzing density-density correlations in momentum space. Finally, we discuss how the system may be realized with existing cold-atoms platforms.","lang":"eng"}],"issue":"1","type":"journal_article","doi":"10.21468/scipostphys.14.1.006","language":[{"iso":"eng"}],"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"isi":["001000325800008"],"arxiv":["2204.01606"]},"oa":1,"isi":1,"quality_controlled":"1","month":"01","publication_identifier":{"issn":["2542-4653"]},"author":[{"first_name":"Lukas","last_name":"Rammelmüller","full_name":"Rammelmüller, Lukas"},{"full_name":"Huber, David","first_name":"David","last_name":"Huber"},{"first_name":"Matija","last_name":"Čufar","full_name":"Čufar, Matija"},{"first_name":"Joachim","last_name":"Brand","full_name":"Brand, Joachim"},{"last_name":"Hammer","first_name":"Hans-Werner","full_name":"Hammer, Hans-Werner"},{"first_name":"Artem","last_name":"Volosniev","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","full_name":"Volosniev, Artem"}],"date_created":"2023-07-24T10:48:23Z","date_updated":"2023-12-13T11:39:32Z","volume":14,"year":"2023","publication_status":"published","publisher":"SciPost Foundation","department":[{"_id":"MiLe"}],"file_date_updated":"2023-07-31T08:44:38Z","article_number":"006"},{"file_date_updated":"2023-09-05T08:45:49Z","article_number":"224","date_created":"2023-08-28T12:36:49Z","date_updated":"2023-12-13T12:21:09Z","volume":6,"author":[{"first_name":"Fabian","last_name":"Brauneis","full_name":"Brauneis, Fabian"},{"first_name":"Areg","last_name":"Ghazaryan","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-9666-3543","full_name":"Ghazaryan, Areg"},{"first_name":"Hans-Werner","last_name":"Hammer","full_name":"Hammer, Hans-Werner"},{"last_name":"Volosniev","first_name":"Artem","orcid":"0000-0003-0393-5525","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","full_name":"Volosniev, Artem"}],"publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"Springer Nature","acknowledgement":"Open Access funding enabled and organized by Projekt DEAL.\r\nWe would like to thank Jonas Jager for sharing his data with us in the early stages of this project. We thank Joachim Brand and Ray Yang for sharing with us data from Yang et al.46. This work has received funding from the DFG Project no. 413495248 [VO 2437/1-1] (F.B., H.-W.H., A.G.V.). We acknowledge support from the Deutsche Forschungsgemeinschaft (DFG - German Research Foundation) and the Open Access Publishing Fund of the Technical University of Darmstadt.","year":"2023","month":"08","publication_identifier":{"issn":["2399-3650"]},"language":[{"iso":"eng"}],"doi":"10.1038/s42005-023-01281-2","isi":1,"quality_controlled":"1","external_id":{"isi":["001052577500002"],"arxiv":["2301.10488"]},"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"abstract":[{"text":"The model of a ring threaded by the Aharonov-Bohm flux underlies our understanding of a coupling between gauge potentials and matter. The typical formulation of the model is based upon a single particle picture, and should be extended when interactions with other particles become relevant. Here, we illustrate such an extension for a particle in an Aharonov-Bohm ring subject to interactions with a weakly interacting Bose gas. We show that the ground state of the system can be described using the Bose-polaron concept—a particle dressed by interactions with a bosonic environment. We connect the energy spectrum to the effective mass of the polaron, and demonstrate how to change currents in the system by tuning boson-particle interactions. Our results suggest the Aharonov-Bohm ring as a platform for studying coherence and few- to many-body crossover of quasi-particles that arise from an impurity immersed in a medium.","lang":"eng"}],"type":"journal_article","oa_version":"Published Version","file":[{"file_size":855960,"content_type":"application/pdf","creator":"dernst","file_name":"2023_CommPhysics_Brauneis.pdf","access_level":"open_access","date_updated":"2023-09-05T08:45:49Z","date_created":"2023-09-05T08:45:49Z","checksum":"6edfc59b0ee7dc406d0968b05236e83d","success":1,"relation":"main_file","file_id":"14268"}],"status":"public","title":"Emergence of a Bose polaron in a small ring threaded by the Aharonov-Bohm flux","ddc":["530"],"intvolume":" 6","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"14246","day":"22","has_accepted_license":"1","article_processing_charge":"Yes (via OA deal)","keyword":["General Physics and Astronomy"],"scopus_import":"1","date_published":"2023-08-22T00:00:00Z","article_type":"original","publication":"Communications Physics","citation":{"ista":"Brauneis F, Ghazaryan A, Hammer H-W, Volosniev A. 2023. Emergence of a Bose polaron in a small ring threaded by the Aharonov-Bohm flux. Communications Physics. 6, 224.","ieee":"F. Brauneis, A. Ghazaryan, H.-W. Hammer, and A. Volosniev, “Emergence of a Bose polaron in a small ring threaded by the Aharonov-Bohm flux,” Communications Physics, vol. 6. Springer Nature, 2023.","apa":"Brauneis, F., Ghazaryan, A., Hammer, H.-W., & Volosniev, A. (2023). Emergence of a Bose polaron in a small ring threaded by the Aharonov-Bohm flux. Communications Physics. Springer Nature. https://doi.org/10.1038/s42005-023-01281-2","ama":"Brauneis F, Ghazaryan A, Hammer H-W, Volosniev A. Emergence of a Bose polaron in a small ring threaded by the Aharonov-Bohm flux. Communications Physics. 2023;6. doi:10.1038/s42005-023-01281-2","chicago":"Brauneis, Fabian, Areg Ghazaryan, Hans-Werner Hammer, and Artem Volosniev. “Emergence of a Bose Polaron in a Small Ring Threaded by the Aharonov-Bohm Flux.” Communications Physics. Springer Nature, 2023. https://doi.org/10.1038/s42005-023-01281-2.","mla":"Brauneis, Fabian, et al. “Emergence of a Bose Polaron in a Small Ring Threaded by the Aharonov-Bohm Flux.” Communications Physics, vol. 6, 224, Springer Nature, 2023, doi:10.1038/s42005-023-01281-2.","short":"F. Brauneis, A. Ghazaryan, H.-W. Hammer, A. Volosniev, Communications Physics 6 (2023)."}},{"pmid":1,"acknowledgement":"H. S. acknowledges support from The Villum Foundation through a Villum Investigator Grant No. 25886. M. L. acknowledges support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). F. J. and R. E. Z. acknowledge support from the Centre for Scientific Computing, Aarhus and the JKU scientific computing administration, Linz, respectively.","year":"2023","department":[{"_id":"MiLe"}],"publisher":"American Physical Society","publication_status":"published","author":[{"full_name":"Kranabetter, Lorenz","last_name":"Kranabetter","first_name":"Lorenz"},{"full_name":"Kristensen, Henrik H.","first_name":"Henrik H.","last_name":"Kristensen"},{"orcid":"0000-0001-9666-3543","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","last_name":"Ghazaryan","first_name":"Areg","full_name":"Ghazaryan, Areg"},{"last_name":"Schouder","first_name":"Constant A.","full_name":"Schouder, Constant A."},{"last_name":"Chatterley","first_name":"Adam S.","full_name":"Chatterley, Adam S."},{"last_name":"Janssen","first_name":"Paul","full_name":"Janssen, Paul"},{"last_name":"Jensen","first_name":"Frank","full_name":"Jensen, Frank"},{"first_name":"Robert E.","last_name":"Zillich","full_name":"Zillich, Robert E."},{"id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802","first_name":"Mikhail","last_name":"Lemeshko","full_name":"Lemeshko, Mikhail"},{"full_name":"Stapelfeldt, Henrik","last_name":"Stapelfeldt","first_name":"Henrik"}],"volume":131,"date_updated":"2023-12-13T12:18:54Z","date_created":"2023-08-27T22:01:16Z","article_number":"053201","ec_funded":1,"main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2308.15247"}],"external_id":{"arxiv":["2308.15247"],"pmid":["37595218"],"isi":["001101784100001"]},"oa":1,"project":[{"grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425","name":"Angulon: physics and applications of a new quasiparticle","call_identifier":"H2020"}],"quality_controlled":"1","isi":1,"doi":"10.1103/PhysRevLett.131.053201","language":[{"iso":"eng"}],"publication_identifier":{"issn":["0031-9007"],"eissn":["1079-7114"]},"month":"08","_id":"14238","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","intvolume":" 131","title":"Nonadiabatic laser-induced alignment dynamics of molecules on a surface","status":"public","oa_version":"Preprint","type":"journal_article","issue":"5","abstract":[{"text":"We demonstrate that a sodium dimer, Na2(13Σ+u), residing on the surface of a helium nanodroplet, can be set into rotation by a nonresonant 1.0 ps infrared laser pulse. The time-dependent degree of alignment measured, exhibits a periodic, gradually decreasing structure that deviates qualitatively from that expected for gas-phase dimers. Comparison to alignment dynamics calculated from the time-dependent rotational Schrödinger equation shows that the deviation is due to the alignment dependent interaction between the dimer and the droplet surface. This interaction confines the dimer to the tangential plane of the droplet surface at the point where it resides and is the reason that the observed alignment dynamics is also well described by a 2D quantum rotor model.","lang":"eng"}],"citation":{"chicago":"Kranabetter, Lorenz, Henrik H. Kristensen, Areg Ghazaryan, Constant A. Schouder, Adam S. Chatterley, Paul Janssen, Frank Jensen, Robert E. Zillich, Mikhail Lemeshko, and Henrik Stapelfeldt. “Nonadiabatic Laser-Induced Alignment Dynamics of Molecules on a Surface.” Physical Review Letters. American Physical Society, 2023. https://doi.org/10.1103/PhysRevLett.131.053201.","short":"L. Kranabetter, H.H. Kristensen, A. Ghazaryan, C.A. Schouder, A.S. Chatterley, P. Janssen, F. Jensen, R.E. Zillich, M. Lemeshko, H. Stapelfeldt, Physical Review Letters 131 (2023).","mla":"Kranabetter, Lorenz, et al. “Nonadiabatic Laser-Induced Alignment Dynamics of Molecules on a Surface.” Physical Review Letters, vol. 131, no. 5, 053201, American Physical Society, 2023, doi:10.1103/PhysRevLett.131.053201.","apa":"Kranabetter, L., Kristensen, H. H., Ghazaryan, A., Schouder, C. A., Chatterley, A. S., Janssen, P., … Stapelfeldt, H. (2023). Nonadiabatic laser-induced alignment dynamics of molecules on a surface. Physical Review Letters. American Physical Society. https://doi.org/10.1103/PhysRevLett.131.053201","ieee":"L. Kranabetter et al., “Nonadiabatic laser-induced alignment dynamics of molecules on a surface,” Physical Review Letters, vol. 131, no. 5. American Physical Society, 2023.","ista":"Kranabetter L, Kristensen HH, Ghazaryan A, Schouder CA, Chatterley AS, Janssen P, Jensen F, Zillich RE, Lemeshko M, Stapelfeldt H. 2023. Nonadiabatic laser-induced alignment dynamics of molecules on a surface. Physical Review Letters. 131(5), 053201.","ama":"Kranabetter L, Kristensen HH, Ghazaryan A, et al. Nonadiabatic laser-induced alignment dynamics of molecules on a surface. Physical Review Letters. 2023;131(5). doi:10.1103/PhysRevLett.131.053201"},"publication":"Physical Review Letters","article_type":"original","date_published":"2023-08-04T00:00:00Z","scopus_import":"1","article_processing_charge":"No","day":"04"},{"file_date_updated":"2024-01-09T09:25:34Z","volume":14,"date_created":"2024-01-08T13:14:48Z","date_updated":"2024-01-09T09:27:46Z","author":[{"full_name":"Carqueville, Nils","first_name":"Nils","last_name":"Carqueville"},{"id":"7943226E-220E-11EA-94C7-D59F3DDC885E","orcid":"0000-0003-2834-5054","first_name":"Lorant","last_name":"Szegedy","full_name":"Szegedy, Lorant"}],"publisher":"European Mathematical Society","department":[{"_id":"MiLe"}],"publication_status":"published","acknowledgement":"N.C. is supported by the DFG Heisenberg Programme.\r\nWe are grateful to Tobias Dyckerhoff, Lukas Müller, Ingo Runkel, and Christopher Schommer-Pries for helpful discussions.","year":"2023","publication_identifier":{"issn":["1663-487X"]},"month":"10","language":[{"iso":"eng"}],"doi":"10.4171/qt/193","quality_controlled":"1","oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"issue":"3","abstract":[{"text":"We prove the r-spin cobordism hypothesis in the setting of (weak) 2-categories for every positive integer r: the 2-groupoid of 2-dimensional fully extended r-spin TQFTs with given target is equivalent to the homotopy fixed points of an induced Spin 2r -action. In particular, such TQFTs are classified by fully dualisable objects together with a trivialisation of the rth power of their Serre automorphisms. For r=1, we recover the oriented case (on which our proof builds), while ordinary spin structures correspond to r=2.\r\nTo construct examples, we explicitly describe Spin 2r-homotopy fixed points in the equivariant completion of any symmetric monoidal 2-category. We also show that every object in a 2-category of Landau–Ginzburg models gives rise to fully extended spin TQFTs and that half of these do not factor through the oriented bordism 2-category.","lang":"eng"}],"type":"journal_article","oa_version":"Published Version","file":[{"access_level":"open_access","file_name":"2023_QuantumTopol_Carqueville.pdf","creator":"dernst","content_type":"application/pdf","file_size":707344,"file_id":"14764","relation":"main_file","success":1,"checksum":"b0590aff6e7ec89cc149ba94d459d3a3","date_created":"2024-01-09T09:25:34Z","date_updated":"2024-01-09T09:25:34Z"}],"intvolume":" 14","status":"public","title":"Fully extended r-spin TQFTs","ddc":["530"],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"14756","has_accepted_license":"1","article_processing_charge":"Yes","day":"16","keyword":["Geometry and Topology","Mathematical Physics"],"scopus_import":"1","date_published":"2023-10-16T00:00:00Z","page":"467-532","article_type":"original","citation":{"ama":"Carqueville N, Szegedy L. Fully extended r-spin TQFTs. Quantum Topology. 2023;14(3):467-532. doi:10.4171/qt/193","ista":"Carqueville N, Szegedy L. 2023. Fully extended r-spin TQFTs. Quantum Topology. 14(3), 467–532.","ieee":"N. Carqueville and L. Szegedy, “Fully extended r-spin TQFTs,” Quantum Topology, vol. 14, no. 3. European Mathematical Society, pp. 467–532, 2023.","apa":"Carqueville, N., & Szegedy, L. (2023). Fully extended r-spin TQFTs. Quantum Topology. European Mathematical Society. https://doi.org/10.4171/qt/193","mla":"Carqueville, Nils, and Lorant Szegedy. “Fully Extended R-Spin TQFTs.” Quantum Topology, vol. 14, no. 3, European Mathematical Society, 2023, pp. 467–532, doi:10.4171/qt/193.","short":"N. Carqueville, L. Szegedy, Quantum Topology 14 (2023) 467–532.","chicago":"Carqueville, Nils, and Lorant Szegedy. “Fully Extended R-Spin TQFTs.” Quantum Topology. European Mathematical Society, 2023. https://doi.org/10.4171/qt/193."},"publication":"Quantum Topology"},{"day":"01","article_processing_charge":"No","has_accepted_license":"1","scopus_import":"1","date_published":"2022-03-01T00:00:00Z","article_type":"original","publication":"Physical Review Research","citation":{"chicago":"Maslov, Mikhail, Mikhail Lemeshko, and Artem Volosniev. “Impurity with a Resonance in the Vicinity of the Fermi Energy.” Physical Review Research. American Physical Society, 2022. https://doi.org/10.1103/PhysRevResearch.4.013160.","short":"M. Maslov, M. Lemeshko, A. Volosniev, Physical Review Research 4 (2022).","mla":"Maslov, Mikhail, et al. “Impurity with a Resonance in the Vicinity of the Fermi Energy.” Physical Review Research, vol. 4, 013160, American Physical Society, 2022, doi:10.1103/PhysRevResearch.4.013160.","apa":"Maslov, M., Lemeshko, M., & Volosniev, A. (2022). Impurity with a resonance in the vicinity of the Fermi energy. Physical Review Research. American Physical Society. https://doi.org/10.1103/PhysRevResearch.4.013160","ieee":"M. Maslov, M. Lemeshko, and A. Volosniev, “Impurity with a resonance in the vicinity of the Fermi energy,” Physical Review Research, vol. 4. American Physical Society, 2022.","ista":"Maslov M, Lemeshko M, Volosniev A. 2022. Impurity with a resonance in the vicinity of the Fermi energy. Physical Review Research. 4, 013160.","ama":"Maslov M, Lemeshko M, Volosniev A. Impurity with a resonance in the vicinity of the Fermi energy. Physical Review Research. 2022;4. doi:10.1103/PhysRevResearch.4.013160"},"abstract":[{"lang":"eng","text":"We study an impurity with a resonance level whose position coincides with the Fermi energy of the surrounding Fermi gas. An impurity causes a rapid variation of the scattering phase shift for fermions at the Fermi surface, introducing a new characteristic length scale into the problem. We investigate manifestations of this length scale in the self-energy of the impurity and in the density of the bath. Our calculations reveal a model-independent deformation of the density of the Fermi gas, which is determined by the width of the resonance. To provide a broader picture, we investigate time evolution of the density in quench dynamics, and study the behavior of the system at finite temperatures. Finally, we briefly discuss implications of our findings for the Fermi-polaron problem."}],"type":"journal_article","oa_version":"Published Version","file":[{"relation":"main_file","file_id":"10848","date_updated":"2022-03-14T08:38:49Z","date_created":"2022-03-14T08:38:49Z","checksum":"62f64b3421a969656ebf52467fa7b6e8","success":1,"file_name":"2022_PhysicalReviewResearch_Maslov.pdf","access_level":"open_access","content_type":"application/pdf","file_size":1258324,"creator":"dernst"}],"status":"public","title":"Impurity with a resonance in the vicinity of the Fermi energy","ddc":["530"],"intvolume":" 4","_id":"10845","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","month":"03","publication_identifier":{"issn":["2643-1564"]},"language":[{"iso":"eng"}],"doi":"10.1103/PhysRevResearch.4.013160","quality_controlled":"1","project":[{"_id":"26031614-B435-11E9-9278-68D0E5697425","grant_number":"P29902","name":"Quantum rotations in the presence of a many-body environment","call_identifier":"FWF"},{"grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle"},{"call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships","grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425"}],"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"external_id":{"arxiv":["2111.13570"]},"file_date_updated":"2022-03-14T08:38:49Z","ec_funded":1,"article_number":"013160","date_created":"2022-03-13T23:01:46Z","date_updated":"2022-03-14T08:42:24Z","volume":4,"author":[{"full_name":"Maslov, Mikhail","id":"2E65BB0E-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-4074-2570","first_name":"Mikhail","last_name":"Maslov"},{"last_name":"Lemeshko","first_name":"Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","full_name":"Lemeshko, Mikhail"},{"full_name":"Volosniev, Artem","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev"}],"publication_status":"published","publisher":"American Physical Society","department":[{"_id":"MiLe"}],"acknowledgement":"M.L. acknowledges support by the Austrian Science Fund (FWF), under Project No. P29902-N27, and by the European Research Council (ERC) starting Grant No. 801770 (ANGULON). A.G.V. acknowledges support by European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 754411.","year":"2022"},{"scopus_import":"1","article_processing_charge":"No","day":"01","article_type":"review","citation":{"ista":"Evers F, Aharony A, Bar-Gill N, Entin-Wohlman O, Hedegård P, Hod O, Jelinek P, Kamieniarz G, Lemeshko M, Michaeli K, Mujica V, Naaman R, Paltiel Y, Refaely-Abramson S, Tal O, Thijssen J, Thoss M, Van Ruitenbeek JM, Venkataraman L, Waldeck DH, Yan B, Kronik L. 2022. Theory of chirality induced spin selectivity: Progress and challenges. Advanced Materials. 34(13), 2106629.","apa":"Evers, F., Aharony, A., Bar-Gill, N., Entin-Wohlman, O., Hedegård, P., Hod, O., … Kronik, L. (2022). Theory of chirality induced spin selectivity: Progress and challenges. Advanced Materials. Wiley. https://doi.org/10.1002/adma.202106629","ieee":"F. Evers et al., “Theory of chirality induced spin selectivity: Progress and challenges,” Advanced Materials, vol. 34, no. 13. Wiley, 2022.","ama":"Evers F, Aharony A, Bar-Gill N, et al. Theory of chirality induced spin selectivity: Progress and challenges. Advanced Materials. 2022;34(13). doi:10.1002/adma.202106629","chicago":"Evers, Ferdinand, Amnon Aharony, Nir Bar-Gill, Ora Entin-Wohlman, Per Hedegård, Oded Hod, Pavel Jelinek, et al. “Theory of Chirality Induced Spin Selectivity: Progress and Challenges.” Advanced Materials. Wiley, 2022. https://doi.org/10.1002/adma.202106629.","mla":"Evers, Ferdinand, et al. “Theory of Chirality Induced Spin Selectivity: Progress and Challenges.” Advanced Materials, vol. 34, no. 13, 2106629, Wiley, 2022, doi:10.1002/adma.202106629.","short":"F. Evers, A. Aharony, N. Bar-Gill, O. Entin-Wohlman, P. Hedegård, O. Hod, P. Jelinek, G. Kamieniarz, M. Lemeshko, K. Michaeli, V. Mujica, R. Naaman, Y. Paltiel, S. Refaely-Abramson, O. Tal, J. Thijssen, M. Thoss, J.M. Van Ruitenbeek, L. Venkataraman, D.H. Waldeck, B. Yan, L. Kronik, Advanced Materials 34 (2022)."},"publication":"Advanced Materials","date_published":"2022-04-01T00:00:00Z","type":"journal_article","issue":"13","abstract":[{"lang":"eng","text":"A critical overview of the theory of the chirality-induced spin selectivity (CISS) effect, that is, phenomena in which the chirality of molecular species imparts significant spin selectivity to various electron processes, is provided. Based on discussions in a recently held workshop, and further work published since, the status of CISS effects—in electron transmission, electron transport, and chemical reactions—is reviewed. For each, a detailed discussion of the state-of-the-art in theoretical understanding is provided and remaining challenges and research opportunities are identified."}],"intvolume":" 34","status":"public","title":"Theory of chirality induced spin selectivity: Progress and challenges","_id":"10771","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","oa_version":"Preprint","publication_identifier":{"issn":["09359648"],"eissn":["15214095"]},"month":"04","quality_controlled":"1","isi":1,"oa":1,"external_id":{"isi":["000753795900001"],"arxiv":["2108.09998"]},"main_file_link":[{"url":"https://arxiv.org/abs/2108.09998","open_access":"1"}],"language":[{"iso":"eng"}],"doi":"10.1002/adma.202106629","article_number":"2106629","department":[{"_id":"MiLe"}],"publisher":"Wiley","publication_status":"published","year":"2022","volume":34,"date_updated":"2023-08-02T14:30:22Z","date_created":"2022-02-20T23:01:33Z","author":[{"full_name":"Evers, Ferdinand","last_name":"Evers","first_name":"Ferdinand"},{"first_name":"Amnon","last_name":"Aharony","full_name":"Aharony, Amnon"},{"full_name":"Bar-Gill, Nir","first_name":"Nir","last_name":"Bar-Gill"},{"last_name":"Entin-Wohlman","first_name":"Ora","full_name":"Entin-Wohlman, Ora"},{"first_name":"Per","last_name":"Hedegård","full_name":"Hedegård, Per"},{"full_name":"Hod, Oded","first_name":"Oded","last_name":"Hod"},{"first_name":"Pavel","last_name":"Jelinek","full_name":"Jelinek, Pavel"},{"last_name":"Kamieniarz","first_name":"Grzegorz","full_name":"Kamieniarz, Grzegorz"},{"full_name":"Lemeshko, Mikhail","last_name":"Lemeshko","first_name":"Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87"},{"last_name":"Michaeli","first_name":"Karen","full_name":"Michaeli, Karen"},{"full_name":"Mujica, Vladimiro","first_name":"Vladimiro","last_name":"Mujica"},{"full_name":"Naaman, Ron","last_name":"Naaman","first_name":"Ron"},{"full_name":"Paltiel, Yossi","first_name":"Yossi","last_name":"Paltiel"},{"full_name":"Refaely-Abramson, Sivan","last_name":"Refaely-Abramson","first_name":"Sivan"},{"first_name":"Oren","last_name":"Tal","full_name":"Tal, Oren"},{"full_name":"Thijssen, Jos","first_name":"Jos","last_name":"Thijssen"},{"full_name":"Thoss, Michael","last_name":"Thoss","first_name":"Michael"},{"full_name":"Van Ruitenbeek, Jan M.","first_name":"Jan M.","last_name":"Van Ruitenbeek"},{"last_name":"Venkataraman","first_name":"Latha","full_name":"Venkataraman, Latha"},{"full_name":"Waldeck, David H.","first_name":"David H.","last_name":"Waldeck"},{"full_name":"Yan, Binghai","first_name":"Binghai","last_name":"Yan"},{"first_name":"Leeor","last_name":"Kronik","full_name":"Kronik, Leeor"}]},{"article_processing_charge":"No","day":"16","scopus_import":"1","date_published":"2022-06-16T00:00:00Z","citation":{"chicago":"Qiang, Junjie, Lianrong Zhou, Peifen Lu, Kang Lin, Yongzhe Ma, Shengzhe Pan, Chenxu Lu, et al. “Femtosecond Rotational Dynamics of D2 Molecules in Superfluid Helium Nanodroplets.” Physical Review Letters. American Physical Society, 2022. https://doi.org/10.1103/PhysRevLett.128.243201.","mla":"Qiang, Junjie, et al. “Femtosecond Rotational Dynamics of D2 Molecules in Superfluid Helium Nanodroplets.” Physical Review Letters, vol. 128, no. 24, 243201, American Physical Society, 2022, doi:10.1103/PhysRevLett.128.243201.","short":"J. Qiang, L. Zhou, P. Lu, K. Lin, Y. Ma, S. Pan, C. Lu, W. Jiang, F. Sun, W. Zhang, H. Li, X. Gong, I.S. Averbukh, Y. Prior, C.A. Schouder, H. Stapelfeldt, I. Cherepanov, M. Lemeshko, W. Jäger, J. Wu, Physical Review Letters 128 (2022).","ista":"Qiang J, Zhou L, Lu P, Lin K, Ma Y, Pan S, Lu C, Jiang W, Sun F, Zhang W, Li H, Gong X, Averbukh IS, Prior Y, Schouder CA, Stapelfeldt H, Cherepanov I, Lemeshko M, Jäger W, Wu J. 2022. Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets. Physical Review Letters. 128(24), 243201.","ieee":"J. Qiang et al., “Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets,” Physical Review Letters, vol. 128, no. 24. American Physical Society, 2022.","apa":"Qiang, J., Zhou, L., Lu, P., Lin, K., Ma, Y., Pan, S., … Wu, J. (2022). Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets. Physical Review Letters. American Physical Society. https://doi.org/10.1103/PhysRevLett.128.243201","ama":"Qiang J, Zhou L, Lu P, et al. Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets. Physical Review Letters. 2022;128(24). doi:10.1103/PhysRevLett.128.243201"},"publication":"Physical Review Letters","issue":"24","abstract":[{"lang":"eng","text":"Rotational dynamics of D2 molecules inside helium nanodroplets is induced by a moderately intense femtosecond pump pulse and measured as a function of time by recording the yield of HeD+ ions, created through strong-field dissociative ionization with a delayed femtosecond probe pulse. The yield oscillates with a period of 185 fs, reflecting field-free rotational wave packet dynamics, and the oscillation persists for more than 500 periods. Within the experimental uncertainty, the rotational constant BHe of the in-droplet D2 molecule, determined by Fourier analysis, is the same as Bgas for an isolated D2 molecule. Our observations show that the D2 molecules inside helium nanodroplets essentially rotate as free D2 molecules."}],"type":"journal_article","oa_version":"Submitted Version","intvolume":" 128","title":"Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets","status":"public","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"11552","publication_identifier":{"eissn":["10797114"],"issn":["00319007"]},"month":"06","language":[{"iso":"eng"}],"doi":"10.1103/PhysRevLett.128.243201","project":[{"call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle","grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425"},{"name":"International IST Doctoral Program","call_identifier":"H2020","_id":"2564DBCA-B435-11E9-9278-68D0E5697425","grant_number":"665385"}],"quality_controlled":"1","isi":1,"oa":1,"main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2201.09281"}],"external_id":{"arxiv":["2201.09281"],"isi":["000820659700002"]},"ec_funded":1,"article_number":"243201","volume":128,"date_created":"2022-07-10T22:01:52Z","date_updated":"2023-08-03T11:54:14Z","author":[{"first_name":"Junjie","last_name":"Qiang","full_name":"Qiang, Junjie"},{"last_name":"Zhou","first_name":"Lianrong","full_name":"Zhou, Lianrong"},{"last_name":"Lu","first_name":"Peifen","full_name":"Lu, Peifen"},{"first_name":"Kang","last_name":"Lin","full_name":"Lin, Kang"},{"full_name":"Ma, Yongzhe","last_name":"Ma","first_name":"Yongzhe"},{"full_name":"Pan, Shengzhe","first_name":"Shengzhe","last_name":"Pan"},{"full_name":"Lu, Chenxu","last_name":"Lu","first_name":"Chenxu"},{"last_name":"Jiang","first_name":"Wenyu","full_name":"Jiang, Wenyu"},{"first_name":"Fenghao","last_name":"Sun","full_name":"Sun, Fenghao"},{"last_name":"Zhang","first_name":"Wenbin","full_name":"Zhang, Wenbin"},{"last_name":"Li","first_name":"Hui","full_name":"Li, Hui"},{"full_name":"Gong, Xiaochun","first_name":"Xiaochun","last_name":"Gong"},{"first_name":"Ilya Sh","last_name":"Averbukh","full_name":"Averbukh, Ilya Sh"},{"full_name":"Prior, Yehiam","last_name":"Prior","first_name":"Yehiam"},{"first_name":"Constant A.","last_name":"Schouder","full_name":"Schouder, Constant A."},{"full_name":"Stapelfeldt, Henrik","last_name":"Stapelfeldt","first_name":"Henrik"},{"id":"339C7E5A-F248-11E8-B48F-1D18A9856A87","first_name":"Igor","last_name":"Cherepanov","full_name":"Cherepanov, Igor"},{"full_name":"Lemeshko, Mikhail","last_name":"Lemeshko","first_name":"Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87"},{"full_name":"Jäger, Wolfgang","last_name":"Jäger","first_name":"Wolfgang"},{"last_name":"Wu","first_name":"Jian","full_name":"Wu, Jian"}],"publisher":"American Physical Society","department":[{"_id":"MiLe"}],"publication_status":"published","year":"2022"},{"_id":"11590","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","intvolume":" 24","ddc":["530"],"title":"Artificial atoms from cold bosons in one dimension","status":"public","file":[{"date_created":"2022-07-18T06:33:13Z","date_updated":"2022-07-18T06:33:13Z","success":1,"checksum":"dc67b60f2e50e9ef2bd820ca0d7333d2","file_id":"11594","relation":"main_file","creator":"dernst","content_type":"application/pdf","file_size":3415721,"file_name":"2022_NewJournalPhysics_Brauneis.pdf","access_level":"open_access"}],"oa_version":"Published Version","type":"journal_article","issue":"6","abstract":[{"text":"We investigate the ground-state properties of weakly repulsive one-dimensional bosons in the presence of an attractive zero-range impurity potential. First, we derive mean-field solutions to the problem on a finite ring for the two asymptotic cases: (i) all bosons are bound to the impurity and (ii) all bosons are in a scattering state. Moreover, we derive the critical line that separates these regimes in the parameter space. In the thermodynamic limit, this critical line determines the maximum number of bosons that can be bound by the impurity potential, forming an artificial atom. Second, we validate the mean-field results using the flow equation approach and the multi-layer multi-configuration time-dependent Hartree method for atomic mixtures. While beyond-mean-field effects destroy long-range order in the Bose gas, the critical boson number is unaffected. Our findings are important for understanding such artificial atoms in low-density Bose gases with static and mobile impurities.","lang":"eng"}],"citation":{"chicago":"Brauneis, Fabian, Timothy G. Backert, Simeon I. Mistakidis, Mikhail Lemeshko, Hans Werner Hammer, and Artem Volosniev. “Artificial Atoms from Cold Bosons in One Dimension.” New Journal of Physics. IOP Publishing, 2022. https://doi.org/10.1088/1367-2630/ac78d8.","short":"F. Brauneis, T.G. Backert, S.I. Mistakidis, M. Lemeshko, H.W. Hammer, A. Volosniev, New Journal of Physics 24 (2022).","mla":"Brauneis, Fabian, et al. “Artificial Atoms from Cold Bosons in One Dimension.” New Journal of Physics, vol. 24, no. 6, 063036, IOP Publishing, 2022, doi:10.1088/1367-2630/ac78d8.","ieee":"F. Brauneis, T. G. Backert, S. I. Mistakidis, M. Lemeshko, H. W. Hammer, and A. Volosniev, “Artificial atoms from cold bosons in one dimension,” New Journal of Physics, vol. 24, no. 6. IOP Publishing, 2022.","apa":"Brauneis, F., Backert, T. G., Mistakidis, S. I., Lemeshko, M., Hammer, H. W., & Volosniev, A. (2022). Artificial atoms from cold bosons in one dimension. New Journal of Physics. IOP Publishing. https://doi.org/10.1088/1367-2630/ac78d8","ista":"Brauneis F, Backert TG, Mistakidis SI, Lemeshko M, Hammer HW, Volosniev A. 2022. Artificial atoms from cold bosons in one dimension. New Journal of Physics. 24(6), 063036.","ama":"Brauneis F, Backert TG, Mistakidis SI, Lemeshko M, Hammer HW, Volosniev A. Artificial atoms from cold bosons in one dimension. New Journal of Physics. 2022;24(6). doi:10.1088/1367-2630/ac78d8"},"publication":"New Journal of Physics","article_type":"original","date_published":"2022-06-01T00:00:00Z","scopus_import":"1","article_processing_charge":"No","has_accepted_license":"1","day":"01","year":"2022","acknowledgement":"This work has received funding from the DFG Project No. 413495248 [VO 2437/1-1] (FB, H-WH, AGV) and European Union's Horizon 2020 research and innovation programme under the Marie Skĺodowska-Curie Grant Agreement No. 754411 (AGV). ML acknowledges support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). SIM acknowledges support from the NSF through a grant for ITAMP at Harvard University.","department":[{"_id":"MiLe"}],"publisher":"IOP Publishing","publication_status":"published","author":[{"first_name":"Fabian","last_name":"Brauneis","full_name":"Brauneis, Fabian"},{"last_name":"Backert","first_name":"Timothy G.","full_name":"Backert, Timothy G."},{"last_name":"Mistakidis","first_name":"Simeon I.","full_name":"Mistakidis, Simeon I."},{"full_name":"Lemeshko, Mikhail","first_name":"Mikhail","last_name":"Lemeshko","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802"},{"first_name":"Hans Werner","last_name":"Hammer","full_name":"Hammer, Hans Werner"},{"full_name":"Volosniev, Artem","orcid":"0000-0003-0393-5525","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","last_name":"Volosniev","first_name":"Artem"}],"volume":24,"date_updated":"2023-08-03T11:57:41Z","date_created":"2022-07-17T22:01:55Z","article_number":"063036","ec_funded":1,"file_date_updated":"2022-07-18T06:33:13Z","external_id":{"isi":["000818530000001"]},"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"project":[{"_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411","name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020"},{"_id":"2688CF98-B435-11E9-9278-68D0E5697425","grant_number":"801770","call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle"}],"isi":1,"quality_controlled":"1","doi":"10.1088/1367-2630/ac78d8","language":[{"iso":"eng"}],"publication_identifier":{"issn":["1367-2630"]},"month":"06"},{"date_published":"2022-06-30T00:00:00Z","citation":{"mla":"Bighin, Giacomo, et al. “Unitary Fermi Superfluid near the Critical Temperature: Thermodynamics and Sound Modes from Elementary Excitations.” Physical Review A, vol. 105, no. 6, 063329, American Physical Society, 2022, doi:10.1103/PhysRevA.105.063329.","short":"G. Bighin, A. Cappellaro, L. Salasnich, Physical Review A 105 (2022).","chicago":"Bighin, Giacomo, Alberto Cappellaro, and L. Salasnich. “Unitary Fermi Superfluid near the Critical Temperature: Thermodynamics and Sound Modes from Elementary Excitations.” Physical Review A. American Physical Society, 2022. https://doi.org/10.1103/PhysRevA.105.063329.","ama":"Bighin G, Cappellaro A, Salasnich L. Unitary Fermi superfluid near the critical temperature: Thermodynamics and sound modes from elementary excitations. Physical Review A. 2022;105(6). doi:10.1103/PhysRevA.105.063329","ista":"Bighin G, Cappellaro A, Salasnich L. 2022. Unitary Fermi superfluid near the critical temperature: Thermodynamics and sound modes from elementary excitations. Physical Review A. 105(6), 063329.","ieee":"G. Bighin, A. Cappellaro, and L. Salasnich, “Unitary Fermi superfluid near the critical temperature: Thermodynamics and sound modes from elementary excitations,” Physical Review A, vol. 105, no. 6. American Physical Society, 2022.","apa":"Bighin, G., Cappellaro, A., & Salasnich, L. (2022). Unitary Fermi superfluid near the critical temperature: Thermodynamics and sound modes from elementary excitations. Physical Review A. American Physical Society. https://doi.org/10.1103/PhysRevA.105.063329"},"publication":"Physical Review A","article_type":"original","article_processing_charge":"No","day":"30","scopus_import":"1","oa_version":"Preprint","_id":"11592","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","intvolume":" 105","title":"Unitary Fermi superfluid near the critical temperature: Thermodynamics and sound modes from elementary excitations","status":"public","issue":"6","abstract":[{"lang":"eng","text":"We compare recent experimental results [Science 375, 528 (2022)] of the superfluid unitary Fermi gas near the critical temperature with a thermodynamic model based on the elementary excitations of the system. We find good agreement between experimental data and our theory for several quantities such as first sound, second sound, and superfluid fraction. We also show that mode mixing between first and second sound occurs. Finally, we characterize the response amplitude to a density perturbation: Close to the critical temperature both first and second sound can be excited through a density perturbation, whereas at lower temperatures only the first sound mode exhibits a significant response."}],"type":"journal_article","doi":"10.1103/PhysRevA.105.063329","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":" https://doi.org/10.48550/arXiv.2206.03924"}],"external_id":{"arxiv":["2206.03924"],"isi":["000829758500010"]},"oa":1,"quality_controlled":"1","isi":1,"publication_identifier":{"issn":["2469-9926"],"eissn":["2469-9934"]},"month":"06","author":[{"id":"4CA96FD4-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-8823-9777","first_name":"Giacomo","last_name":"Bighin","full_name":"Bighin, Giacomo"},{"first_name":"Alberto","last_name":"Cappellaro","id":"9d13b3cb-30a2-11eb-80dc-f772505e8660","orcid":"0000-0001-6110-2359","full_name":"Cappellaro, Alberto"},{"last_name":"Salasnich","first_name":"L.","full_name":"Salasnich, L."}],"volume":105,"date_created":"2022-07-17T22:01:55Z","date_updated":"2023-08-03T12:00:11Z","acknowledgement":"The authors gratefully acknowledge stimulating discussions with T. Enss, and thank an anonymous referee for suggestions and remarks that allowed us to improve the original manuscript. This work is supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany’s Excellence Strategy EXC2181/1-390900948 (the Heidelberg STRUCTURES Excellence Cluster).","year":"2022","publisher":"American Physical Society","department":[{"_id":"MiLe"}],"publication_status":"published","article_number":"063329"},{"article_type":"original","publication":"New Journal of Physics","citation":{"ama":"Cherepanov I, Bighin G, Schouder CA, Chatterley AS, Stapelfeldt H, Lemeshko M. A simple model for high rotational excitations of molecules in a superfluid. New Journal of Physics. 2022;24(7). doi:10.1088/1367-2630/ac8113","ieee":"I. Cherepanov, G. Bighin, C. A. Schouder, A. S. Chatterley, H. Stapelfeldt, and M. Lemeshko, “A simple model for high rotational excitations of molecules in a superfluid,” New Journal of Physics, vol. 24, no. 7. IOP, 2022.","apa":"Cherepanov, I., Bighin, G., Schouder, C. A., Chatterley, A. S., Stapelfeldt, H., & Lemeshko, M. (2022). A simple model for high rotational excitations of molecules in a superfluid. New Journal of Physics. IOP. https://doi.org/10.1088/1367-2630/ac8113","ista":"Cherepanov I, Bighin G, Schouder CA, Chatterley AS, Stapelfeldt H, Lemeshko M. 2022. A simple model for high rotational excitations of molecules in a superfluid. New Journal of Physics. 24(7), 075004.","short":"I. Cherepanov, G. Bighin, C.A. Schouder, A.S. Chatterley, H. Stapelfeldt, M. Lemeshko, New Journal of Physics 24 (2022).","mla":"Cherepanov, Igor, et al. “A Simple Model for High Rotational Excitations of Molecules in a Superfluid.” New Journal of Physics, vol. 24, no. 7, 075004, IOP, 2022, doi:10.1088/1367-2630/ac8113.","chicago":"Cherepanov, Igor, Giacomo Bighin, Constant A. Schouder, Adam S. Chatterley, Henrik Stapelfeldt, and Mikhail Lemeshko. “A Simple Model for High Rotational Excitations of Molecules in a Superfluid.” New Journal of Physics. IOP, 2022. https://doi.org/10.1088/1367-2630/ac8113."},"date_published":"2022-08-11T00:00:00Z","scopus_import":"1","day":"11","has_accepted_license":"1","article_processing_charge":"Yes","ddc":["530"],"title":"A simple model for high rotational excitations of molecules in a superfluid","status":"public","intvolume":" 24","_id":"11998","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","file":[{"file_id":"12005","relation":"main_file","date_updated":"2022-08-29T09:57:40Z","date_created":"2022-08-29T09:57:40Z","success":1,"checksum":"10116a08d3489befc13dba2cc44490f1","file_name":"2022_NewJournalofPhysics_Cherepanov.pdf","access_level":"open_access","creator":"alisjak","file_size":1912882,"content_type":"application/pdf"}],"oa_version":"Published Version","type":"journal_article","abstract":[{"text":"Recently it became possible to study highly excited rotational states of molecules in superfluid helium through nonadiabatic alignment experiments (Cherepanov et al 2021 Phys. Rev. A 104 L061303). This calls for theoretical approaches that go beyond explaining renormalized values of molecular spectroscopic constants, which suffices when only the lowest few rotational states are involved. As the first step in this direction, here we present a basic quantum mechanical model describing highly excited rotational states of molecules in superfluid helium nanodroplets. We show that a linear molecule immersed in a superfluid can be seen as an effective symmetric top, similar to the rotational structure of radicals, such as OH or NO, but with the angular momentum of the superfluid playing the role of the electronic angular momentum in free molecules. The simple theory sheds light onto what happens when the rotational angular momentum of the molecule increases beyond the lowest excited states accessible by infrared spectroscopy. In addition, the model allows to estimate the effective rotational and centrifugal distortion constants for a broad range of species and to explain the crossover between light and heavy molecules in superfluid 4He in terms of the many-body wavefunction structure. Some of the above mentioned insights can be acquired by analyzing a simple 2 × 2 matrix.","lang":"eng"}],"issue":"7","isi":1,"quality_controlled":"1","project":[{"call_identifier":"H2020","name":"International IST Doctoral Program","_id":"2564DBCA-B435-11E9-9278-68D0E5697425","grant_number":"665385"},{"grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle"},{"_id":"26986C82-B435-11E9-9278-68D0E5697425","grant_number":"M02641","name":"A path-integral approach to composite impurities","call_identifier":"FWF"}],"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"isi":["000839216900001"]},"oa":1,"language":[{"iso":"eng"}],"doi":"10.1088/1367-2630/ac8113","month":"08","publication_identifier":{"issn":["1367-2630"]},"publication_status":"published","publisher":"IOP","department":[{"_id":"MiLe"}],"year":"2022","acknowledgement":"IC acknowledges the support by the European Union's Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 665385. GB acknowledges support from the Austrian Science Fund (FWF), under Project No. M2461-N27 and from the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy EXC2181/1-390900948 (the Heidelberg STRUCTURES Excellence Cluster). ML acknowledges support by the Austrian Science Fund (FWF), under Project No. P29902-N27, and by the European Research Council (ERC) starting Grant No. 801770 (ANGULON). HS acknowledges support from the Independent Research Fund Denmark (Project No. 8021-00232B) and from the Villum Fonden through a Villum Investigator Grant No. 25886.","date_created":"2022-08-28T22:02:01Z","date_updated":"2023-08-03T13:19:06Z","volume":24,"author":[{"last_name":"Cherepanov","first_name":"Igor","id":"339C7E5A-F248-11E8-B48F-1D18A9856A87","full_name":"Cherepanov, Igor"},{"last_name":"Bighin","first_name":"Giacomo","orcid":"0000-0001-8823-9777","id":"4CA96FD4-F248-11E8-B48F-1D18A9856A87","full_name":"Bighin, Giacomo"},{"last_name":"Schouder","first_name":"Constant A.","full_name":"Schouder, Constant A."},{"last_name":"Chatterley","first_name":"Adam S.","full_name":"Chatterley, Adam S."},{"full_name":"Stapelfeldt, Henrik","first_name":"Henrik","last_name":"Stapelfeldt"},{"last_name":"Lemeshko","first_name":"Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","full_name":"Lemeshko, Mikhail"}],"article_number":"075004","file_date_updated":"2022-08-29T09:57:40Z","ec_funded":1},{"article_number":"023301","date_updated":"2023-08-03T13:20:42Z","date_created":"2022-08-28T22:02:00Z","volume":106,"author":[{"id":"4CA96FD4-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-8823-9777","first_name":"Giacomo","last_name":"Bighin","full_name":"Bighin, Giacomo"},{"full_name":"Burchianti, A.","last_name":"Burchianti","first_name":"A."},{"first_name":"F.","last_name":"Minardi","full_name":"Minardi, F."},{"last_name":"Macrì","first_name":"T.","full_name":"Macrì, T."}],"publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"American Physical Society","acknowledgement":"We thank A. Simoni for providing the calculations of the intercomponent scattering lengths. We gratefully acknowledge stimulating discussions with L. A. Peña Ardila, R. Schmidt, H. Silva, V. Zampronio, and M. Prevedelli for careful reading. G.B. acknowledges support from the Austrian Science Fund (FWF) under Project No. M2641-N27. T.M. acknowledges CNPq for support through Bolsa de produtividade em Pesquisa No. 311079/2015-6. This work is supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy No. EXC2181/1-390900948 (the Heidelberg STRUCTURES Excellence Cluster). This work was supported by the Serrapilheira Institute (Grant No. Serra-1812-27802). We thank the High-Performance Computing Center (NPAD) at UFRN for providing computational resources.","year":"2022","month":"08","publication_identifier":{"issn":["2469-9926"],"eissn":["2469-9934"]},"language":[{"iso":"eng"}],"doi":"10.1103/PhysRevA.106.023301","quality_controlled":"1","isi":1,"project":[{"call_identifier":"FWF","name":"A path-integral approach to composite impurities","grant_number":"M02641","_id":"26986C82-B435-11E9-9278-68D0E5697425"}],"main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2109.07451"}],"external_id":{"isi":["000837953600006"],"arxiv":["2109.07451"]},"oa":1,"abstract":[{"text":"We study the fate of an impurity in an ultracold heteronuclear Bose mixture, focusing on the experimentally relevant case of a ⁴¹K - ⁸⁷Rb mixture, with the impurity in a ⁴¹K hyperfine state. Our paper provides a comprehensive description of an impurity in a BEC mixture with contact interactions across its phase diagram. We present results for the miscible and immiscible regimes, as well as for the impurity in a self-bound quantum droplet. Here, varying the interactions, we find exotic states where the impurity localizes either at the center or\r\nat the surface of the droplet. ","lang":"eng"}],"issue":"2","type":"journal_article","oa_version":"Preprint","status":"public","title":"Impurity in a heteronuclear two-component Bose mixture","intvolume":" 106","_id":"11997","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","day":"04","article_processing_charge":"No","scopus_import":"1","date_published":"2022-08-04T00:00:00Z","article_type":"original","publication":"Physical Review A","citation":{"chicago":"Bighin, Giacomo, A. Burchianti, F. Minardi, and T. Macrì. “Impurity in a Heteronuclear Two-Component Bose Mixture.” Physical Review A. American Physical Society, 2022. https://doi.org/10.1103/PhysRevA.106.023301.","short":"G. Bighin, A. Burchianti, F. Minardi, T. Macrì, Physical Review A 106 (2022).","mla":"Bighin, Giacomo, et al. “Impurity in a Heteronuclear Two-Component Bose Mixture.” Physical Review A, vol. 106, no. 2, 023301, American Physical Society, 2022, doi:10.1103/PhysRevA.106.023301.","apa":"Bighin, G., Burchianti, A., Minardi, F., & Macrì, T. (2022). Impurity in a heteronuclear two-component Bose mixture. Physical Review A. American Physical Society. https://doi.org/10.1103/PhysRevA.106.023301","ieee":"G. Bighin, A. Burchianti, F. Minardi, and T. Macrì, “Impurity in a heteronuclear two-component Bose mixture,” Physical Review A, vol. 106, no. 2. American Physical Society, 2022.","ista":"Bighin G, Burchianti A, Minardi F, Macrì T. 2022. Impurity in a heteronuclear two-component Bose mixture. Physical Review A. 106(2), 023301.","ama":"Bighin G, Burchianti A, Minardi F, Macrì T. Impurity in a heteronuclear two-component Bose mixture. Physical Review A. 2022;106(2). doi:10.1103/PhysRevA.106.023301"}},{"article_type":"original","publication":"Physical Review B","citation":{"chicago":"Ghazaryan, Areg, Ammar Kirmani, Rafael M. Fernandes, and Pouyan Ghaemi. “Anomalous Shiba States in Topological Iron-Based Superconductors.” Physical Review B. American Physical Society, 2022. https://doi.org/10.1103/physrevb.106.l201107.","short":"A. Ghazaryan, A. Kirmani, R.M. Fernandes, P. Ghaemi, Physical Review B 106 (2022).","mla":"Ghazaryan, Areg, et al. “Anomalous Shiba States in Topological Iron-Based Superconductors.” Physical Review B, vol. 106, no. 20, L201107, American Physical Society, 2022, doi:10.1103/physrevb.106.l201107.","apa":"Ghazaryan, A., Kirmani, A., Fernandes, R. M., & Ghaemi, P. (2022). Anomalous Shiba states in topological iron-based superconductors. Physical Review B. American Physical Society. https://doi.org/10.1103/physrevb.106.l201107","ieee":"A. Ghazaryan, A. Kirmani, R. M. Fernandes, and P. Ghaemi, “Anomalous Shiba states in topological iron-based superconductors,” Physical Review B, vol. 106, no. 20. American Physical Society, 2022.","ista":"Ghazaryan A, Kirmani A, Fernandes RM, Ghaemi P. 2022. Anomalous Shiba states in topological iron-based superconductors. Physical Review B. 106(20), L201107.","ama":"Ghazaryan A, Kirmani A, Fernandes RM, Ghaemi P. Anomalous Shiba states in topological iron-based superconductors. Physical Review B. 2022;106(20). doi:10.1103/physrevb.106.l201107"},"date_published":"2022-11-15T00:00:00Z","scopus_import":"1","day":"15","article_processing_charge":"No","title":"Anomalous Shiba states in topological iron-based superconductors","status":"public","intvolume":" 106","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"12139","oa_version":"Preprint","type":"journal_article","abstract":[{"text":"We demonstrate the formation of robust zero-energy modes close to magnetic impurities in the iron-based superconductor FeSe1-z Tez. We find that the Zeeman field generated by the impurity favors a spin-triplet interorbital pairing as opposed to the spin-singlet intraorbital pairing prevalent in the bulk. The preferred spin-triplet pairing preserves time-reversal symmetry and is topological, as robust, topologically protected zero modes emerge at the boundary between regions with different pairing states. Moreover, the zero modes form Kramers doublets that are insensitive to the direction of the spin polarization or to the separation between impurities. We argue that our theoretical results are consistent with recent experimental measurements on FeSe1-z Tez.","lang":"eng"}],"issue":"20","isi":1,"quality_controlled":"1","oa":1,"main_file_link":[{"open_access":"1","url":" https://doi.org/10.48550/arXiv.2207.12425"}],"external_id":{"arxiv":["2207.12425"],"isi":["000893171800001"]},"language":[{"iso":"eng"}],"doi":"10.1103/physrevb.106.l201107","month":"11","publication_identifier":{"issn":["2469-9950"],"eissn":["2469-9969"]},"publication_status":"published","publisher":"American Physical Society","department":[{"_id":"MiLe"}],"acknowledgement":"We thank Armin Rahmani, Andrey V. Chubukov, Jay D. Sau and Ruixing Zhang for fruitful discussions. AK and PG are supported by NSF-DMR2037996. PG also acknowledges support from NSF-DMR1824265. RMF was supported by the U. S. Department of Energy, Office\r\nof Science, Basic Energy Sciences, Materials Sciences and Engineering Division, under Award No. DE-SC0020045. Part of this work was performed at the Aspen Center for Physics, which is supported by National Science Foundation grant PHY-1607611. ","year":"2022","date_created":"2023-01-12T12:04:43Z","date_updated":"2023-08-04T08:55:31Z","volume":106,"author":[{"full_name":"Ghazaryan, Areg","last_name":"Ghazaryan","first_name":"Areg","orcid":"0000-0001-9666-3543","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87"},{"first_name":"Ammar","last_name":"Kirmani","full_name":"Kirmani, Ammar"},{"full_name":"Fernandes, Rafael M.","last_name":"Fernandes","first_name":"Rafael M."},{"last_name":"Ghaemi","first_name":"Pouyan","full_name":"Ghaemi, Pouyan"}],"article_number":"L201107"},{"article_type":"original","citation":{"ista":"Rzadkowski W, Lemeshko M, Mentink JH. 2022. Artificial neural network states for nonadditive systems. Physical Review B. 106(15), 155127.","apa":"Rzadkowski, W., Lemeshko, M., & Mentink, J. H. (2022). Artificial neural network states for nonadditive systems. Physical Review B. American Physical Society. https://doi.org/10.1103/physrevb.106.155127","ieee":"W. Rzadkowski, M. Lemeshko, and J. H. Mentink, “Artificial neural network states for nonadditive systems,” Physical Review B, vol. 106, no. 15. American Physical Society, 2022.","ama":"Rzadkowski W, Lemeshko M, Mentink JH. Artificial neural network states for nonadditive systems. Physical Review B. 2022;106(15). doi:10.1103/physrevb.106.155127","chicago":"Rzadkowski, Wojciech, Mikhail Lemeshko, and Johan H. Mentink. “Artificial Neural Network States for Nonadditive Systems.” Physical Review B. American Physical Society, 2022. https://doi.org/10.1103/physrevb.106.155127.","mla":"Rzadkowski, Wojciech, et al. “Artificial Neural Network States for Nonadditive Systems.” Physical Review B, vol. 106, no. 15, 155127, American Physical Society, 2022, doi:10.1103/physrevb.106.155127.","short":"W. Rzadkowski, M. Lemeshko, J.H. Mentink, Physical Review B 106 (2022)."},"publication":"Physical Review B","date_published":"2022-10-15T00:00:00Z","scopus_import":"1","article_processing_charge":"No","day":"15","intvolume":" 106","title":"Artificial neural network states for nonadditive systems","status":"public","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"12150","oa_version":"Preprint","type":"journal_article","issue":"15","abstract":[{"text":"Methods inspired from machine learning have recently attracted great interest in the computational study of quantum many-particle systems. So far, however, it has proven challenging to deal with microscopic models in which the total number of particles is not conserved. To address this issue, we propose a variant of neural network states, which we term neural coherent states. Taking the Fröhlich impurity model as a case study, we show that neural coherent states can learn the ground state of nonadditive systems very well. In particular, we recover exact diagonalization in all regimes tested and observe substantial improvement over the standard coherent state estimates in the most challenging intermediate-coupling regime. Our approach is generic and does not assume specific details of the system, suggesting wide applications.","lang":"eng"}],"project":[{"_id":"05A235A0-7A3F-11EA-A408-12923DDC885E","grant_number":"25681","name":"Analytic and machine learning approaches to composite quantum impurities"},{"name":"International IST Doctoral Program","call_identifier":"H2020","_id":"2564DBCA-B435-11E9-9278-68D0E5697425","grant_number":"665385"},{"call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle","grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425"}],"quality_controlled":"1","isi":1,"oa":1,"external_id":{"isi":["000875189100005"],"arxiv":["2105.15193"]},"main_file_link":[{"open_access":"1","url":" https://doi.org/10.48550/arXiv.2105.15193"}],"language":[{"iso":"eng"}],"doi":"10.1103/physrevb.106.155127","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"month":"10","publisher":"American Physical Society","department":[{"_id":"MiLe"}],"publication_status":"published","year":"2022","acknowledgement":"We acknowledge fruitful discussions with G. Bighin, G. Fabiani, A. Ghazaryan, C. Lampert, and A. Volosniev at various stages of this work. W.R. acknowledges support through a DOC Fellowship of the Austrian Academy of Sciences and has received funding from the EU Horizon 2020 programme under the Marie Skłodowska-Curie Grant Agreement No. 665385. M.L. and J.H.M. acknowledge support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON) and Synergy Grant No. 856538 (3D-MAGiC), respectively. This work is part of the Shell-NWO/FOMinitiative “Computational sciences for energy research” of Shell and Chemical Sciences, Earth and Life Sciences, Physical Sciences, FOM and STW. ","volume":106,"date_updated":"2023-08-04T09:01:48Z","date_created":"2023-01-12T12:07:49Z","author":[{"first_name":"Wojciech","last_name":"Rzadkowski","id":"48C55298-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-1106-4419","full_name":"Rzadkowski, Wojciech"},{"full_name":"Lemeshko, Mikhail","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802","first_name":"Mikhail","last_name":"Lemeshko"},{"full_name":"Mentink, Johan H.","last_name":"Mentink","first_name":"Johan H."}],"article_number":"155127","ec_funded":1},{"type":"journal_article","abstract":[{"lang":"eng","text":"Motivated by properties-controlling potential of the strain, we investigate strain dependence of structure, electronic, and magnetic properties of Sr2IrO4 using complementary theoretical tools: ab-initio calculations, analytical approaches (rigid octahedra picture, Slater-Koster integrals), and extended t−J model. We find that strain affects both Ir-Ir distance and Ir-O-Ir angle, and the rigid octahedra picture is not relevant. Second, we find fundamentally different behavior for compressive and tensile strain. One remarkable feature is the formation of two subsets of bond- and orbital-dependent carriers, a compass-like model, under compression. This originates from the strain-induced renormalization of the Ir-O-Ir superexchange and O on-site energy. We also show that under compressive (tensile) strain, Fermi surface becomes highly dispersive (relatively flat). Already at a tensile strain of 1.5%, we observe spectral weight redistribution, with the low-energy band acquiring almost purely singlet character. These results can be directly compared with future experiments."}],"_id":"12213","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","intvolume":" 7","status":"public","title":"Evolution of electronic and magnetic properties of Sr₂IrO₄ under strain","ddc":["530"],"file":[{"date_updated":"2023-01-27T07:59:27Z","date_created":"2023-01-27T07:59:27Z","success":1,"checksum":"d93b477b5b95c0d1b8f9fef90a81f565","file_id":"12414","relation":"main_file","creator":"dernst","content_type":"application/pdf","file_size":1852598,"file_name":"2022_NPJ_Paerschke.pdf","access_level":"open_access"}],"oa_version":"Published Version","scopus_import":"1","keyword":["Condensed Matter Physics","Electronic","Optical and Magnetic Materials"],"has_accepted_license":"1","article_processing_charge":"No","day":"10","citation":{"ista":"Paerschke E, Chen W-C, Ray R, Chen C-C. 2022. Evolution of electronic and magnetic properties of Sr₂IrO₄ under strain. npj Quantum Materials. 7, 90.","ieee":"E. Paerschke, W.-C. Chen, R. Ray, and C.-C. Chen, “Evolution of electronic and magnetic properties of Sr₂IrO₄ under strain,” npj Quantum Materials, vol. 7. Springer Nature, 2022.","apa":"Paerschke, E., Chen, W.-C., Ray, R., & Chen, C.-C. (2022). Evolution of electronic and magnetic properties of Sr₂IrO₄ under strain. Npj Quantum Materials. Springer Nature. https://doi.org/10.1038/s41535-022-00496-w","ama":"Paerschke E, Chen W-C, Ray R, Chen C-C. Evolution of electronic and magnetic properties of Sr₂IrO₄ under strain. npj Quantum Materials. 2022;7. doi:10.1038/s41535-022-00496-w","chicago":"Paerschke, Ekaterina, Wei-Chih Chen, Rajyavardhan Ray, and Cheng-Chien Chen. “Evolution of Electronic and Magnetic Properties of Sr₂IrO₄ under Strain.” Npj Quantum Materials. Springer Nature, 2022. https://doi.org/10.1038/s41535-022-00496-w.","mla":"Paerschke, Ekaterina, et al. “Evolution of Electronic and Magnetic Properties of Sr₂IrO₄ under Strain.” Npj Quantum Materials, vol. 7, 90, Springer Nature, 2022, doi:10.1038/s41535-022-00496-w.","short":"E. Paerschke, W.-C. Chen, R. Ray, C.-C. Chen, Npj Quantum Materials 7 (2022)."},"publication":"npj Quantum Materials","article_type":"original","date_published":"2022-09-10T00:00:00Z","article_number":"90","ec_funded":1,"file_date_updated":"2023-01-27T07:59:27Z","year":"2022","acknowledgement":"E.M.P. thanks Eugenio Paris, Thorsten Schmitt, Krzysztof Wohlfeld, and other coauthors for an inspiring previous collaboration23, and is grateful to Gang Cao, Ambrose Seo, and Jungho Kim for insightful discussions. R.R. acknowledges helpful discussion with Sanjeev Kumar and Manuel Richter. This project has received funding from the European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No 754411. C.C.C. acknowledges support from the U.S. National Science Foundation Award No. DMR-2142801.","publisher":"Springer Nature","department":[{"_id":"MiLe"}],"publication_status":"published","related_material":{"link":[{"relation":"erratum","url":"https://doi.org/10.1038/s41535-022-00510-1"}]},"author":[{"full_name":"Paerschke, Ekaterina","orcid":"0000-0003-0853-8182","id":"8275014E-6063-11E9-9B7F-6338E6697425","last_name":"Paerschke","first_name":"Ekaterina"},{"full_name":"Chen, Wei-Chih","first_name":"Wei-Chih","last_name":"Chen"},{"last_name":"Ray","first_name":"Rajyavardhan","full_name":"Ray, Rajyavardhan"},{"last_name":"Chen","first_name":"Cheng-Chien","full_name":"Chen, Cheng-Chien"}],"volume":7,"date_created":"2023-01-16T09:46:01Z","date_updated":"2023-08-04T09:23:43Z","publication_identifier":{"eissn":["2397-4648"]},"month":"09","oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"isi":["000852381200003"]},"project":[{"name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020","grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425"}],"quality_controlled":"1","isi":1,"doi":"10.1038/s41535-022-00496-w","language":[{"iso":"eng"}]},{"article_number":"2182","file_date_updated":"2023-01-24T10:56:12Z","year":"2022","acknowledgement":"This research is partially supported by University of Padova, BIRD grant “Ultracold atoms\r\nin curved geometries”. KF is supported by Fondazione CARIPARO with a PhD fellowship. AT is\r\npartially supported by French National Research Agency ANR Grant Droplets N. ANR-19-CE30-0003-02. LS thanks Herwig Ott and Sandro Wimberger for their kind invitation to the\r\nInternational Workshop “Quantum Transport with ultracold atoms” (2022).","publication_status":"published","publisher":"MDPI","department":[{"_id":"MiLe"}],"author":[{"last_name":"Salasnich","first_name":"Luca","full_name":"Salasnich, Luca"},{"full_name":"Cappellaro, Alberto","id":"9d13b3cb-30a2-11eb-80dc-f772505e8660","orcid":"0000-0001-6110-2359","first_name":"Alberto","last_name":"Cappellaro"},{"full_name":"Furutani, Koichiro","first_name":"Koichiro","last_name":"Furutani"},{"full_name":"Tononi, Andrea","last_name":"Tononi","first_name":"Andrea"},{"full_name":"Bighin, Giacomo","id":"4CA96FD4-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-8823-9777","first_name":"Giacomo","last_name":"Bighin"}],"date_created":"2023-01-12T12:08:31Z","date_updated":"2023-08-09T10:13:17Z","volume":14,"month":"10","publication_identifier":{"issn":["2073-8994"]},"oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"isi":["000875039200001"]},"isi":1,"quality_controlled":"1","doi":"10.3390/sym14102182","language":[{"iso":"eng"}],"type":"journal_article","abstract":[{"lang":"eng","text":"We review our theoretical results of the sound propagation in two-dimensional (2D) systems of ultracold fermionic and bosonic atoms. In the superfluid phase, characterized by the spontaneous symmetry breaking of the U(1) symmetry, there is the coexistence of first and second sound. In the case of weakly-interacting repulsive bosons, we model the recent measurements of the sound velocities of 39K atoms in 2D obtained in the weakly-interacting regime and around the Berezinskii–Kosterlitz–Thouless (BKT) superfluid-to-normal transition temperature. In particular, we perform a quite accurate computation of the superfluid density and show that it is reasonably consistent with the experimental results. For superfluid attractive fermions, we calculate the first and second sound velocities across the whole BCS-BEC crossover. In the low-temperature regime, we reproduce the recent measurements of first-sound speed with 6Li atoms. We also predict that there is mixing between sound modes only in the finite-temperature BEC regime."}],"issue":"10","user_id":"3E5EF7F0-F248-11E8-B48F-1D18A9856A87","_id":"12154","ddc":["530"],"title":"First and second sound in two-dimensional bosonic and fermionic superfluids","status":"public","intvolume":" 14","oa_version":"Published Version","file":[{"relation":"main_file","file_id":"12361","checksum":"9b6bd0e484834dd76d7b26e3c5fba8bd","success":1,"date_created":"2023-01-24T10:56:12Z","date_updated":"2023-01-24T10:56:12Z","access_level":"open_access","file_name":"2022_Symmetry_Salsnich.pdf","file_size":843723,"content_type":"application/pdf","creator":"dernst"}],"scopus_import":"1","keyword":["Physics and Astronomy (miscellaneous)","General Mathematics","Chemistry (miscellaneous)","Computer Science (miscellaneous)"],"day":"17","article_processing_charge":"Yes","has_accepted_license":"1","publication":"Symmetry","citation":{"chicago":"Salasnich, Luca, Alberto Cappellaro, Koichiro Furutani, Andrea Tononi, and Giacomo Bighin. “First and Second Sound in Two-Dimensional Bosonic and Fermionic Superfluids.” Symmetry. MDPI, 2022. https://doi.org/10.3390/sym14102182.","short":"L. Salasnich, A. Cappellaro, K. Furutani, A. Tononi, G. Bighin, Symmetry 14 (2022).","mla":"Salasnich, Luca, et al. “First and Second Sound in Two-Dimensional Bosonic and Fermionic Superfluids.” Symmetry, vol. 14, no. 10, 2182, MDPI, 2022, doi:10.3390/sym14102182.","ieee":"L. Salasnich, A. Cappellaro, K. Furutani, A. Tononi, and G. Bighin, “First and second sound in two-dimensional bosonic and fermionic superfluids,” Symmetry, vol. 14, no. 10. MDPI, 2022.","apa":"Salasnich, L., Cappellaro, A., Furutani, K., Tononi, A., & Bighin, G. (2022). First and second sound in two-dimensional bosonic and fermionic superfluids. Symmetry. MDPI. https://doi.org/10.3390/sym14102182","ista":"Salasnich L, Cappellaro A, Furutani K, Tononi A, Bighin G. 2022. First and second sound in two-dimensional bosonic and fermionic superfluids. Symmetry. 14(10), 2182.","ama":"Salasnich L, Cappellaro A, Furutani K, Tononi A, Bighin G. First and second sound in two-dimensional bosonic and fermionic superfluids. Symmetry. 2022;14(10). doi:10.3390/sym14102182"},"article_type":"original","date_published":"2022-10-17T00:00:00Z"},{"oa":1,"project":[{"grant_number":"665385","_id":"2564DBCA-B435-11E9-9278-68D0E5697425","name":"International IST Doctoral Program","call_identifier":"H2020"}],"doi":"10.15479/at:ista:10759","language":[{"iso":"eng"}],"degree_awarded":"PhD","supervisor":[{"orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","last_name":"Lemeshko","first_name":"Mikhail","full_name":"Lemeshko, Mikhail"}],"publication_identifier":{"issn":["2663-337X"]},"month":"02","year":"2022","publisher":"Institute of Science and Technology Austria","department":[{"_id":"GradSch"},{"_id":"MiLe"}],"publication_status":"published","related_material":{"record":[{"id":"10762","relation":"part_of_dissertation","status":"public"},{"status":"public","relation":"part_of_dissertation","id":"8644"},{"relation":"part_of_dissertation","status":"public","id":"7956"},{"status":"public","relation":"part_of_dissertation","id":"415"}]},"author":[{"id":"48C55298-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-1106-4419","first_name":"Wojciech","last_name":"Rzadkowski","full_name":"Rzadkowski, Wojciech"}],"date_created":"2022-02-16T13:27:37Z","date_updated":"2024-02-28T13:01:59Z","ec_funded":1,"file_date_updated":"2022-02-22T07:20:12Z","citation":{"chicago":"Rzadkowski, Wojciech. “Analytic and Machine Learning Approaches to Composite Quantum Impurities.” Institute of Science and Technology Austria, 2022. https://doi.org/10.15479/at:ista:10759.","short":"W. Rzadkowski, Analytic and Machine Learning Approaches to Composite Quantum Impurities, Institute of Science and Technology Austria, 2022.","mla":"Rzadkowski, Wojciech. Analytic and Machine Learning Approaches to Composite Quantum Impurities. Institute of Science and Technology Austria, 2022, doi:10.15479/at:ista:10759.","apa":"Rzadkowski, W. (2022). Analytic and machine learning approaches to composite quantum impurities. Institute of Science and Technology Austria. https://doi.org/10.15479/at:ista:10759","ieee":"W. Rzadkowski, “Analytic and machine learning approaches to composite quantum impurities,” Institute of Science and Technology Austria, 2022.","ista":"Rzadkowski W. 2022. Analytic and machine learning approaches to composite quantum impurities. Institute of Science and Technology Austria.","ama":"Rzadkowski W. Analytic and machine learning approaches to composite quantum impurities. 2022. doi:10.15479/at:ista:10759"},"page":"120","date_published":"2022-02-21T00:00:00Z","article_processing_charge":"No","has_accepted_license":"1","day":"21","_id":"10759","user_id":"c635000d-4b10-11ee-a964-aac5a93f6ac1","status":"public","ddc":["530"],"title":"Analytic and machine learning approaches to composite quantum impurities","oa_version":"Published Version","file":[{"checksum":"0fc54ad1eaede879c665ac9b53c93e22","date_created":"2022-02-21T13:58:16Z","date_updated":"2022-02-22T07:20:12Z","relation":"source_file","file_id":"10785","content_type":"application/zip","file_size":17668233,"creator":"wrzadkow","access_level":"closed","file_name":"Rzadkowski_thesis_final_source.zip"},{"checksum":"22d2d7af37ca31f6b1730c26cac7bced","success":1,"date_created":"2022-02-21T14:02:54Z","date_updated":"2022-02-21T14:02:54Z","relation":"main_file","file_id":"10786","file_size":13307331,"content_type":"application/pdf","creator":"wrzadkow","access_level":"open_access","file_name":"Rzadkowski_thesis_final.pdf"}],"type":"dissertation","alternative_title":["ISTA Thesis"],"abstract":[{"text":"In this Thesis, I study composite quantum impurities with variational techniques, both inspired by machine learning as well as fully analytic. I supplement this with exploration of other applications of machine learning, in particular artificial neural networks, in many-body physics. In Chapters 3 and 4, I study quasiparticle systems with variational approach. I derive a Hamiltonian describing the angulon quasiparticle in the presence of a magnetic field. I apply analytic variational treatment to this Hamiltonian. Then, I introduce a variational approach for non-additive systems, based on artificial neural networks. I exemplify this approach on the example of the polaron quasiparticle (Fröhlich Hamiltonian). In Chapter 5, I continue using artificial neural networks, albeit in a different setting. I apply artificial neural networks to detect phases from snapshots of two types physical systems. Namely, I study Monte Carlo snapshots of multilayer classical spin models as well as molecular dynamics maps of colloidal systems. The main type of networks that I use here are convolutional neural networks, known for their applicability to image data.","lang":"eng"}]},{"year":"2021","acknowledgement":"D. Lundholm acknowledges financial support from the Göran Gustafsson Foundation (grant no. 1804).","department":[{"_id":"MiLe"},{"_id":"RoSe"}],"publisher":"MDPI","publication_status":"published","author":[{"full_name":"Brooks, Morris","first_name":"Morris","last_name":"Brooks","id":"B7ECF9FC-AA38-11E9-AC9A-0930E6697425","orcid":"0000-0002-6249-0928"},{"last_name":"Lemeshko","first_name":"Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","full_name":"Lemeshko, Mikhail"},{"full_name":"Lundholm, Douglas","last_name":"Lundholm","first_name":"Douglas"},{"full_name":"Yakaboylu, Enderalp","orcid":"0000-0001-5973-0874","id":"38CB71F6-F248-11E8-B48F-1D18A9856A87","last_name":"Yakaboylu","first_name":"Enderalp"}],"volume":9,"date_updated":"2023-06-15T14:51:49Z","date_created":"2022-01-02T23:01:33Z","article_number":"106","file_date_updated":"2022-01-03T10:15:05Z","tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"external_id":{"arxiv":["2108.06966"]},"quality_controlled":"1","doi":"10.3390/atoms9040106","language":[{"iso":"eng"}],"publication_identifier":{"eissn":["2218-2004"]},"month":"12","user_id":"3E5EF7F0-F248-11E8-B48F-1D18A9856A87","_id":"10585","intvolume":" 9","status":"public","title":"Emergence of anyons on the two-sphere in molecular impurities","ddc":["530"],"file":[{"creator":"alisjak","file_size":303070,"content_type":"application/pdf","access_level":"open_access","file_name":"2021_Atoms_Brooks.pdf","success":1,"checksum":"d0e44b95f36c9e06724f66832af0f8c3","date_updated":"2022-01-03T10:15:05Z","date_created":"2022-01-03T10:15:05Z","file_id":"10592","relation":"main_file"}],"oa_version":"Published Version","type":"journal_article","issue":"4","abstract":[{"text":"Recently it was shown that anyons on the two-sphere naturally arise from a system of molecular impurities exchanging angular momentum with a many-particle bath (Phys. Rev. Lett. 126, 015301 (2021)). Here we further advance this approach and rigorously demonstrate that in the experimentally realized regime the lowest spectrum of two linear molecules immersed in superfluid helium corresponds to the spectrum of two anyons on the sphere. We develop the formalism within the framework of the recently experimentally observed angulon quasiparticle","lang":"eng"}],"citation":{"chicago":"Brooks, Morris, Mikhail Lemeshko, Douglas Lundholm, and Enderalp Yakaboylu. “Emergence of Anyons on the Two-Sphere in Molecular Impurities.” Atoms. MDPI, 2021. https://doi.org/10.3390/atoms9040106.","short":"M. Brooks, M. Lemeshko, D. Lundholm, E. Yakaboylu, Atoms 9 (2021).","mla":"Brooks, Morris, et al. “Emergence of Anyons on the Two-Sphere in Molecular Impurities.” Atoms, vol. 9, no. 4, 106, MDPI, 2021, doi:10.3390/atoms9040106.","ieee":"M. Brooks, M. Lemeshko, D. Lundholm, and E. Yakaboylu, “Emergence of anyons on the two-sphere in molecular impurities,” Atoms, vol. 9, no. 4. MDPI, 2021.","apa":"Brooks, M., Lemeshko, M., Lundholm, D., & Yakaboylu, E. (2021). Emergence of anyons on the two-sphere in molecular impurities. Atoms. MDPI. https://doi.org/10.3390/atoms9040106","ista":"Brooks M, Lemeshko M, Lundholm D, Yakaboylu E. 2021. Emergence of anyons on the two-sphere in molecular impurities. Atoms. 9(4), 106.","ama":"Brooks M, Lemeshko M, Lundholm D, Yakaboylu E. Emergence of anyons on the two-sphere in molecular impurities. Atoms. 2021;9(4). doi:10.3390/atoms9040106"},"publication":"Atoms","article_type":"original","date_published":"2021-12-02T00:00:00Z","scopus_import":"1","keyword":["anyons","quasiparticles","Quantum Hall Effect","topological states of matter"],"article_processing_charge":"Yes","has_accepted_license":"1","day":"02"},{"has_accepted_license":"1","article_processing_charge":"Yes (via OA deal)","day":"01","scopus_import":"1","date_published":"2021-01-01T00:00:00Z","citation":{"ista":"Runkel I, Szegedy L. 2021. Area-dependent quantum field theory. Communications in Mathematical Physics. 381(1), 83–117.","ieee":"I. Runkel and L. Szegedy, “Area-dependent quantum field theory,” Communications in Mathematical Physics, vol. 381, no. 1. Springer Nature, pp. 83–117, 2021.","apa":"Runkel, I., & Szegedy, L. (2021). Area-dependent quantum field theory. Communications in Mathematical Physics. Springer Nature. https://doi.org/10.1007/s00220-020-03902-1","ama":"Runkel I, Szegedy L. Area-dependent quantum field theory. Communications in Mathematical Physics. 2021;381(1):83–117. doi:10.1007/s00220-020-03902-1","chicago":"Runkel, Ingo, and Lorant Szegedy. “Area-Dependent Quantum Field Theory.” Communications in Mathematical Physics. Springer Nature, 2021. https://doi.org/10.1007/s00220-020-03902-1.","mla":"Runkel, Ingo, and Lorant Szegedy. “Area-Dependent Quantum Field Theory.” Communications in Mathematical Physics, vol. 381, no. 1, Springer Nature, 2021, pp. 83–117, doi:10.1007/s00220-020-03902-1.","short":"I. Runkel, L. Szegedy, Communications in Mathematical Physics 381 (2021) 83–117."},"publication":"Communications in Mathematical Physics","page":"83–117","article_type":"original","issue":"1","abstract":[{"lang":"eng","text":"Area-dependent quantum field theory is a modification of two-dimensional topological quantum field theory, where one equips each connected component of a bordism with a positive real number—interpreted as area—which behaves additively under glueing. As opposed to topological theories, in area-dependent theories the state spaces can be infinite-dimensional. We introduce the notion of regularised Frobenius algebras in Hilbert spaces and show that area-dependent theories are in one-to-one correspondence to commutative regularised Frobenius algebras. We also provide a state sum construction for area-dependent theories. Our main example is two-dimensional Yang–Mills theory with compact gauge group, which we treat in detail."}],"type":"journal_article","file":[{"checksum":"6f451f9c2b74bedbc30cf884a3e02670","success":1,"date_created":"2021-02-03T15:00:30Z","date_updated":"2021-02-03T15:00:30Z","relation":"main_file","file_id":"9081","content_type":"application/pdf","file_size":790526,"creator":"dernst","access_level":"open_access","file_name":"2021_CommMathPhys_Runkel.pdf"}],"oa_version":"Published Version","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"8816","intvolume":" 381","ddc":["510"],"title":"Area-dependent quantum field theory","status":"public","publication_identifier":{"issn":["00103616"],"eissn":["14320916"]},"month":"01","doi":"10.1007/s00220-020-03902-1","language":[{"iso":"eng"}],"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"external_id":{"isi":["000591139000001"]},"project":[{"_id":"B67AFEDC-15C9-11EA-A837-991A96BB2854","name":"IST Austria Open Access Fund"}],"quality_controlled":"1","isi":1,"file_date_updated":"2021-02-03T15:00:30Z","author":[{"last_name":"Runkel","first_name":"Ingo","full_name":"Runkel, Ingo"},{"full_name":"Szegedy, Lorant","id":"7943226E-220E-11EA-94C7-D59F3DDC885E","orcid":"0000-0003-2834-5054","first_name":"Lorant","last_name":"Szegedy"}],"volume":381,"date_created":"2020-11-29T23:01:17Z","date_updated":"2023-08-04T11:13:35Z","acknowledgement":"The authors thank Yuki Arano, Nils Carqueville, Alexei Davydov, Reiner Lauterbach, Pau Enrique Moliner, Chris Heunen, André Henriques, Ehud Meir, Catherine Meusburger, Gregor Schaumann, Richard Szabo and Stefan Wagner for helpful discussions and comments. We also thank the referees for their detailed comments which significantly improved the exposition of this paper. LS is supported by the DFG Research Training Group 1670 “Mathematics Inspired by String Theory and Quantum Field Theory”. Open access funding provided by Institute of Science and Technology (IST Austria).","year":"2021","publisher":"Springer Nature","department":[{"_id":"MiLe"}],"publication_status":"published"},{"date_published":"2021-01-08T00:00:00Z","citation":{"chicago":"Brooks, Morris, Mikhail Lemeshko, D. Lundholm, and Enderalp Yakaboylu. “Molecular Impurities as a Realization of Anyons on the Two-Sphere.” Physical Review Letters. American Physical Society, 2021. https://doi.org/10.1103/PhysRevLett.126.015301.","short":"M. Brooks, M. Lemeshko, D. Lundholm, E. Yakaboylu, Physical Review Letters 126 (2021).","mla":"Brooks, Morris, et al. “Molecular Impurities as a Realization of Anyons on the Two-Sphere.” Physical Review Letters, vol. 126, no. 1, 015301, American Physical Society, 2021, doi:10.1103/PhysRevLett.126.015301.","apa":"Brooks, M., Lemeshko, M., Lundholm, D., & Yakaboylu, E. (2021). Molecular impurities as a realization of anyons on the two-sphere. Physical Review Letters. American Physical Society. https://doi.org/10.1103/PhysRevLett.126.015301","ieee":"M. Brooks, M. Lemeshko, D. Lundholm, and E. Yakaboylu, “Molecular impurities as a realization of anyons on the two-sphere,” Physical Review Letters, vol. 126, no. 1. American Physical Society, 2021.","ista":"Brooks M, Lemeshko M, Lundholm D, Yakaboylu E. 2021. Molecular impurities as a realization of anyons on the two-sphere. Physical Review Letters. 126(1), 015301.","ama":"Brooks M, Lemeshko M, Lundholm D, Yakaboylu E. Molecular impurities as a realization of anyons on the two-sphere. Physical Review Letters. 2021;126(1). doi:10.1103/PhysRevLett.126.015301"},"publication":"Physical Review Letters","article_type":"original","article_processing_charge":"No","day":"08","scopus_import":"1","oa_version":"Preprint","_id":"9005","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","intvolume":" 126","title":"Molecular impurities as a realization of anyons on the two-sphere","status":"public","issue":"1","abstract":[{"lang":"eng","text":"Studies on the experimental realization of two-dimensional anyons in terms of quasiparticles have been restricted, so far, to only anyons on the plane. It is known, however, that the geometry and topology of space can have significant effects on quantum statistics for particles moving on it. Here, we have undertaken the first step toward realizing the emerging fractional statistics for particles restricted to move on the sphere instead of on the plane. We show that such a model arises naturally in the context of quantum impurity problems. In particular, we demonstrate a setup in which the lowest-energy spectrum of two linear bosonic or fermionic molecules immersed in a quantum many-particle environment can coincide with the anyonic spectrum on the sphere. This paves the way toward the experimental realization of anyons on the sphere using molecular impurities. Furthermore, since a change in the alignment of the molecules corresponds to the exchange of the particles on the sphere, such a realization reveals a novel type of exclusion principle for molecular impurities, which could also be of use as a powerful technique to measure the statistics parameter. Finally, our approach opens up a simple numerical route to investigate the spectra of many anyons on the sphere. Accordingly, we present the spectrum of two anyons on the sphere in the presence of a Dirac monopole field."}],"type":"journal_article","doi":"10.1103/PhysRevLett.126.015301","language":[{"iso":"eng"}],"external_id":{"isi":["000606325000003"],"arxiv":["2009.05948"]},"oa":1,"main_file_link":[{"url":"https://arxiv.org/abs/2009.05948","open_access":"1"}],"project":[{"name":"Angulon: physics and applications of a new quasiparticle","call_identifier":"H2020","grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425"}],"quality_controlled":"1","isi":1,"publication_identifier":{"issn":["00319007"],"eissn":["10797114"]},"month":"01","related_material":{"link":[{"relation":"press_release","description":"News on IST Homepage","url":"https://ist.ac.at/en/news/dancing-molecules-and-two-dimensional-particles/"}],"record":[{"status":"public","relation":"dissertation_contains","id":"12390"}]},"author":[{"orcid":"0000-0002-6249-0928","id":"B7ECF9FC-AA38-11E9-AC9A-0930E6697425","last_name":"Brooks","first_name":"Morris","full_name":"Brooks, Morris"},{"full_name":"Lemeshko, Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","last_name":"Lemeshko","first_name":"Mikhail"},{"full_name":"Lundholm, D.","last_name":"Lundholm","first_name":"D."},{"full_name":"Yakaboylu, Enderalp","first_name":"Enderalp","last_name":"Yakaboylu","id":"38CB71F6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-5973-0874"}],"volume":126,"date_updated":"2023-08-07T13:32:10Z","date_created":"2021-01-17T23:01:10Z","year":"2021","acknowledgement":"We are grateful to A. Ghazaryan for valuable discussions and also thank the anonymous referees for comments. D.L. acknowledges financial support from the G¨oran Gustafsson Foundation (grant no. 1804) and LMU Munich. M.L. gratefully acknowledges financial support\r\nby the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreements No 801770).","publisher":"American Physical Society","department":[{"_id":"MiLe"},{"_id":"RoSe"}],"publication_status":"published","ec_funded":1,"article_number":"015301"},{"citation":{"ista":"Marchukov O, Volosniev A. 2021. Shape of a sound wave in a weakly-perturbed Bose gas. SciPost Physics. 10(2), 025.","apa":"Marchukov, O., & Volosniev, A. (2021). Shape of a sound wave in a weakly-perturbed Bose gas. SciPost Physics. SciPost Foundation. https://doi.org/10.21468/scipostphys.10.2.025","ieee":"O. Marchukov and A. Volosniev, “Shape of a sound wave in a weakly-perturbed Bose gas,” SciPost Physics, vol. 10, no. 2. SciPost Foundation, 2021.","ama":"Marchukov O, Volosniev A. Shape of a sound wave in a weakly-perturbed Bose gas. SciPost Physics. 2021;10(2). doi:10.21468/scipostphys.10.2.025","chicago":"Marchukov, Oleksandr, and Artem Volosniev. “Shape of a Sound Wave in a Weakly-Perturbed Bose Gas.” SciPost Physics. SciPost Foundation, 2021. https://doi.org/10.21468/scipostphys.10.2.025.","mla":"Marchukov, Oleksandr, and Artem Volosniev. “Shape of a Sound Wave in a Weakly-Perturbed Bose Gas.” SciPost Physics, vol. 10, no. 2, 025, SciPost Foundation, 2021, doi:10.21468/scipostphys.10.2.025.","short":"O. Marchukov, A. Volosniev, SciPost Physics 10 (2021)."},"publication":"SciPost Physics","article_type":"original","date_published":"2021-02-03T00:00:00Z","has_accepted_license":"1","article_processing_charge":"No","day":"03","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"9093","intvolume":" 10","status":"public","ddc":["530"],"title":"Shape of a sound wave in a weakly-perturbed Bose gas","oa_version":"Published Version","file":[{"content_type":"application/pdf","file_size":666512,"creator":"dernst","access_level":"open_access","file_name":"2021_SciPostPhysics_Marchukov.pdf","checksum":"9fd614b7ab49999e7267874df2582f7e","success":1,"date_created":"2021-02-09T07:06:22Z","date_updated":"2021-02-09T07:06:22Z","relation":"main_file","file_id":"9105"}],"type":"journal_article","issue":"2","abstract":[{"lang":"eng","text":"We employ the Gross-Pitaevskii equation to study acoustic emission generated in a uniform Bose gas by a static impurity. The impurity excites a sound-wave packet, which propagates through the gas. We calculate the shape of this wave packet in the limit of long wave lengths, and argue that it is possible to extract properties of the impurity by observing this shape. We illustrate here this possibility for a Bose gas with a trapped impurity atom -- an example of a relevant experimental setup. Presented results are general for all one-dimensional systems described by the nonlinear Schrödinger equation and can also be used in nonatomic systems, e.g., to analyze light propagation in nonlinear optical media. Finally, we calculate the shape of the sound-wave packet for a three-dimensional Bose gas assuming a spherically symmetric perturbation."}],"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"external_id":{"isi":["000646783100027"],"arxiv":["2004.08075"]},"project":[{"_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411","call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships"}],"quality_controlled":"1","isi":1,"doi":"10.21468/scipostphys.10.2.025","language":[{"iso":"eng"}],"publication_identifier":{"issn":["2542-4653"]},"month":"02","year":"2021","acknowledgement":"We acknowledge fruitful discussions with Dr. Simos Mistakidis regarding beyond mean-field\r\neffects in our system. We also thank Prof. Maxim Olshanii for valuable suggestions to improve\r\nthe manuscript.O.V.M acknowledges the support from the National Science Foundation\r\nthrough grants No. PHY-1402249, No. PHY-1607221, and No. PHY-1912542 and the\r\nBinational (US-Israel) Science Foundation through grant No. 2015616, as well as by the Israel\r\nScience Foundation (grant No. 1287/17) and from the German Aeronautics and Space Administration\r\n(DLR) through Grant No. 50WM1957. This work has also received funding from\r\nthe DFG Project No.413495248 [VO 2437/1-1] and European Union’s Horizon 2020 research\r\nand innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 754411\r\n(A. G. V.)","department":[{"_id":"MiLe"}],"publisher":"SciPost Foundation","publication_status":"published","author":[{"last_name":"Marchukov","first_name":"Oleksandr","full_name":"Marchukov, Oleksandr"},{"full_name":"Volosniev, Artem","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev"}],"volume":10,"date_created":"2021-02-04T12:39:24Z","date_updated":"2023-08-07T13:39:37Z","article_number":"025","ec_funded":1,"file_date_updated":"2021-02-09T07:06:22Z"},{"doi":"10.1103/PhysRevA.103.L061303","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://arxiv.org/abs/2009.06491","open_access":"1"}],"external_id":{"isi":["000662296700014"],"arxiv":["2009.06491"]},"oa":1,"isi":1,"quality_controlled":"1","month":"06","publication_identifier":{"issn":["24699926"],"eissn":["24699934"]},"author":[{"full_name":"Tononi, A.","last_name":"Tononi","first_name":"A."},{"full_name":"Cappellaro, Alberto","id":"9d13b3cb-30a2-11eb-80dc-f772505e8660","orcid":"0000-0001-6110-2359","first_name":"Alberto","last_name":"Cappellaro"},{"last_name":"Bighin","first_name":"Giacomo","orcid":"0000-0001-8823-9777","id":"4CA96FD4-F248-11E8-B48F-1D18A9856A87","full_name":"Bighin, Giacomo"},{"last_name":"Salasnich","first_name":"L.","full_name":"Salasnich, L."}],"date_updated":"2023-08-10T13:37:25Z","date_created":"2021-06-27T22:01:49Z","volume":103,"year":"2021","acknowledgement":"G.B. acknowledges support from the Austrian Science Fund (FWF), under Project No. M2641-N27. This work was\r\npartially supported by the University of Padua, BIRD project “Superfluid properties of Fermi gases in optical potentials.”\r\nThe authors thank Miki Ota, Tomoki Ozawa, Sandro Stringari, Tilman Enss, Hauke Biss, Henning Moritz, and Nicolò Defenu for fruitful discussions. The authors thank Henning Moritz and Markus Bohlen for providing their experimental\r\ndata.","publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"American Physical Society","article_number":"L061303","date_published":"2021-06-01T00:00:00Z","publication":"Physical Review A","citation":{"short":"A. Tononi, A. Cappellaro, G. Bighin, L. Salasnich, Physical Review A 103 (2021).","mla":"Tononi, A., et al. “Propagation of First and Second Sound in a Two-Dimensional Fermi Superfluid.” Physical Review A, vol. 103, no. 6, L061303, American Physical Society, 2021, doi:10.1103/PhysRevA.103.L061303.","chicago":"Tononi, A., Alberto Cappellaro, Giacomo Bighin, and L. Salasnich. “Propagation of First and Second Sound in a Two-Dimensional Fermi Superfluid.” Physical Review A. American Physical Society, 2021. https://doi.org/10.1103/PhysRevA.103.L061303.","ama":"Tononi A, Cappellaro A, Bighin G, Salasnich L. Propagation of first and second sound in a two-dimensional Fermi superfluid. Physical Review A. 2021;103(6). doi:10.1103/PhysRevA.103.L061303","apa":"Tononi, A., Cappellaro, A., Bighin, G., & Salasnich, L. (2021). Propagation of first and second sound in a two-dimensional Fermi superfluid. Physical Review A. American Physical Society. https://doi.org/10.1103/PhysRevA.103.L061303","ieee":"A. Tononi, A. Cappellaro, G. Bighin, and L. Salasnich, “Propagation of first and second sound in a two-dimensional Fermi superfluid,” Physical Review A, vol. 103, no. 6. American Physical Society, 2021.","ista":"Tononi A, Cappellaro A, Bighin G, Salasnich L. 2021. Propagation of first and second sound in a two-dimensional Fermi superfluid. Physical Review A. 103(6), L061303."},"article_type":"letter_note","day":"01","article_processing_charge":"No","scopus_import":"1","oa_version":"Preprint","_id":"9606","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","status":"public","title":"Propagation of first and second sound in a two-dimensional Fermi superfluid","intvolume":" 103","abstract":[{"lang":"eng","text":"Sound propagation is a macroscopic manifestation of the interplay between the equilibrium thermodynamics and the dynamical transport properties of fluids. Here, for a two-dimensional system of ultracold fermions, we calculate the first and second sound velocities across the whole BCS-BEC crossover, and we analyze the system response to an external perturbation. In the low-temperature regime we reproduce the recent measurements [Phys. Rev. Lett. 124, 240403 (2020)] of the first sound velocity, which, due to the decoupling of density and entropy fluctuations, is the sole mode excited by a density probe. Conversely, a heat perturbation excites only the second sound, which, being sensitive to the superfluid depletion, vanishes in the deep BCS regime and jumps discontinuously to zero at the Berezinskii-Kosterlitz-Thouless superfluid transition. A mixing between the modes occurs only in the finite-temperature BEC regime, where our theory converges to the purely bosonic results."}],"issue":"6","type":"journal_article"},{"oa_version":"Published Version","file":[{"access_level":"open_access","file_name":"2021_NewJPhys_Huber.pdf","creator":"cziletti","content_type":"application/pdf","file_size":3868445,"file_id":"9690","relation":"main_file","success":1,"checksum":"e39164ce7ea228d287cf8924e1a0f9fe","date_created":"2021-07-19T11:47:16Z","date_updated":"2021-07-19T11:47:16Z"}],"_id":"9679","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","intvolume":" 23","ddc":["530"],"status":"public","title":"Morphology of three-body quantum states from machine learning","issue":"6","abstract":[{"text":"The relative motion of three impenetrable particles on a ring, in our case two identical fermions and one impurity, is isomorphic to a triangular quantum billiard. Depending on the ratio κ of the impurity and fermion masses, the billiards can be integrable or non-integrable (also referred to in the main text as chaotic). To set the stage, we first investigate the energy level distributions of the billiards as a function of 1/κ ∈ [0, 1] and find no evidence of integrable cases beyond the limiting values 1/κ = 1 and 1/κ = 0. Then, we use machine learning tools to analyze properties of probability distributions of individual quantum states. We find that convolutional neural networks can correctly classify integrable and non-integrable states. The decisive features of the wave functions are the normalization and a large number of zero elements, corresponding to the existence of a nodal line. The network achieves typical accuracies of 97%, suggesting that machine learning tools can be used to analyze and classify the morphology of probability densities obtained in theory or experiment.","lang":"eng"}],"type":"journal_article","date_published":"2021-06-23T00:00:00Z","citation":{"apa":"Huber, D., Marchukov, O. V., Hammer, H. W., & Volosniev, A. (2021). Morphology of three-body quantum states from machine learning. New Journal of Physics. IOP Publishing. https://doi.org/10.1088/1367-2630/ac0576","ieee":"D. Huber, O. V. Marchukov, H. W. Hammer, and A. Volosniev, “Morphology of three-body quantum states from machine learning,” New Journal of Physics, vol. 23, no. 6. IOP Publishing, 2021.","ista":"Huber D, Marchukov OV, Hammer HW, Volosniev A. 2021. Morphology of three-body quantum states from machine learning. New Journal of Physics. 23(6), 065009.","ama":"Huber D, Marchukov OV, Hammer HW, Volosniev A. Morphology of three-body quantum states from machine learning. New Journal of Physics. 2021;23(6). doi:10.1088/1367-2630/ac0576","chicago":"Huber, David, Oleksandr V. Marchukov, Hans Werner Hammer, and Artem Volosniev. “Morphology of Three-Body Quantum States from Machine Learning.” New Journal of Physics. IOP Publishing, 2021. https://doi.org/10.1088/1367-2630/ac0576.","short":"D. Huber, O.V. Marchukov, H.W. Hammer, A. Volosniev, New Journal of Physics 23 (2021).","mla":"Huber, David, et al. “Morphology of Three-Body Quantum States from Machine Learning.” New Journal of Physics, vol. 23, no. 6, 065009, IOP Publishing, 2021, doi:10.1088/1367-2630/ac0576."},"publication":"New Journal of Physics","article_type":"original","has_accepted_license":"1","article_processing_charge":"Yes","day":"23","scopus_import":"1","author":[{"full_name":"Huber, David","last_name":"Huber","first_name":"David"},{"first_name":"Oleksandr V.","last_name":"Marchukov","full_name":"Marchukov, Oleksandr V."},{"full_name":"Hammer, Hans Werner","last_name":"Hammer","first_name":"Hans Werner"},{"last_name":"Volosniev","first_name":"Artem","orcid":"0000-0003-0393-5525","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","full_name":"Volosniev, Artem"}],"volume":23,"date_updated":"2023-08-10T13:58:09Z","date_created":"2021-07-18T22:01:22Z","acknowledgement":"We thank Aidan Tracy for his input during the initial stages of this project. We thank Nathan Harshman, Achim Richter, Wojciech Rzadkowski, and Dane Hudson Smith for helpful discussions and comments on the manuscript. This work has been supported by European Union's Horizon 2020 research and innovation program under the Marie Skłodowska-Curie Grant Agreement No. 754411 (AGV); by the German Aeronautics and Space Administration (DLR) through Grant No. 50 WM 1957 (OVM); by the Deutsche Forschungsgemeinschaft through Project VO 2437/1-1 (Project No. 413495248) (AGV and HWH); by the Deutsche Forschungsgemeinschaft through Collaborative Research Center SFB 1245 (Project No. 279384907) and by the Bundesministerium für Bildung und Forschung under Contract 05P18RDFN1 (HWH). HWH also thanks the ECT* for hospitality during the workshop 'Universal physics in Many-Body Quantum Systems—From Atoms to Quarks'. This infrastructure is part of a project that has received funding from the European Union's Horizon 2020 research and innovation program under Grant Agreement No. 824093. We acknowledge support by the Deutsche Forschungsgemeinschaft and the Open Access Publishing Fund of Technische Universität Darmstadt.","year":"2021","department":[{"_id":"MiLe"}],"publisher":"IOP Publishing","publication_status":"published","ec_funded":1,"file_date_updated":"2021-07-19T11:47:16Z","article_number":"065009","doi":"10.1088/1367-2630/ac0576","language":[{"iso":"eng"}],"oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"isi":["000664736300001"],"arxiv":["2102.04961"]},"project":[{"grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships"}],"quality_controlled":"1","isi":1,"publication_identifier":{"eissn":["13672630"]},"month":"06"},{"ec_funded":1,"article_number":"024430","volume":104,"date_updated":"2023-08-10T14:27:07Z","date_created":"2021-08-04T15:05:32Z","author":[{"id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev","full_name":"Volosniev, Artem"},{"full_name":"Alpern, Hen","last_name":"Alpern","first_name":"Hen"},{"full_name":"Paltiel, Yossi","last_name":"Paltiel","first_name":"Yossi"},{"first_name":"Oded","last_name":"Millo","full_name":"Millo, Oded"},{"full_name":"Lemeshko, Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","last_name":"Lemeshko","first_name":"Mikhail"},{"full_name":"Ghazaryan, Areg","first_name":"Areg","last_name":"Ghazaryan","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-9666-3543"}],"publisher":"American Physical Society","department":[{"_id":"MiLe"}],"publication_status":"published","acknowledgement":"We thank Rafael Barfknecht for useful discussions. This work has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 754411 (A.G.\r\nand A.G.V.). M.L. acknowledges support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). Y.P. and O.M. acknowledge funding from the Nidersachsen Ministry of Science and Culture, and from the\r\nAcademia Sinica Research Program. O.M. is thankful for support through the Harry de Jur Chair in Applied Science.","year":"2021","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"month":"07","language":[{"iso":"eng"}],"doi":"10.1103/physrevb.104.024430","project":[{"_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411","name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020"},{"call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle","_id":"2688CF98-B435-11E9-9278-68D0E5697425","grant_number":"801770"}],"isi":1,"quality_controlled":"1","main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2101.05173"}],"oa":1,"external_id":{"arxiv":["2101.05173"],"isi":["000678780800003"]},"issue":"2","abstract":[{"lang":"eng","text":"We study an effective one-dimensional quantum model that includes friction and spin-orbit coupling (SOC), and show that the model exhibits spin polarization when both terms are finite. Most important, strong spin polarization can be observed even for moderate SOC, provided that the friction is strong. Our findings might help to explain the pronounced effect of chirality on spin distribution and transport in chiral molecules. In particular, our model implies static magnetic properties of a chiral molecule, which lead to Shiba-like states when a molecule is placed on a superconductor, in accordance with recent experimental data."}],"type":"journal_article","oa_version":"Preprint","intvolume":" 104","status":"public","title":"Interplay between friction and spin-orbit coupling as a source of spin polarization","_id":"9770","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","article_processing_charge":"No","day":"01","scopus_import":"1","date_published":"2021-07-01T00:00:00Z","article_type":"original","citation":{"mla":"Volosniev, Artem, et al. “Interplay between Friction and Spin-Orbit Coupling as a Source of Spin Polarization.” Physical Review B, vol. 104, no. 2, 024430, American Physical Society, 2021, doi:10.1103/physrevb.104.024430.","short":"A. Volosniev, H. Alpern, Y. Paltiel, O. Millo, M. Lemeshko, A. Ghazaryan, Physical Review B 104 (2021).","chicago":"Volosniev, Artem, Hen Alpern, Yossi Paltiel, Oded Millo, Mikhail Lemeshko, and Areg Ghazaryan. “Interplay between Friction and Spin-Orbit Coupling as a Source of Spin Polarization.” Physical Review B. American Physical Society, 2021. https://doi.org/10.1103/physrevb.104.024430.","ama":"Volosniev A, Alpern H, Paltiel Y, Millo O, Lemeshko M, Ghazaryan A. Interplay between friction and spin-orbit coupling as a source of spin polarization. Physical Review B. 2021;104(2). doi:10.1103/physrevb.104.024430","ista":"Volosniev A, Alpern H, Paltiel Y, Millo O, Lemeshko M, Ghazaryan A. 2021. Interplay between friction and spin-orbit coupling as a source of spin polarization. Physical Review B. 104(2), 024430.","apa":"Volosniev, A., Alpern, H., Paltiel, Y., Millo, O., Lemeshko, M., & Ghazaryan, A. (2021). Interplay between friction and spin-orbit coupling as a source of spin polarization. Physical Review B. American Physical Society. https://doi.org/10.1103/physrevb.104.024430","ieee":"A. Volosniev, H. Alpern, Y. Paltiel, O. Millo, M. Lemeshko, and A. Ghazaryan, “Interplay between friction and spin-orbit coupling as a source of spin polarization,” Physical Review B, vol. 104, no. 2. American Physical Society, 2021."},"publication":"Physical Review B"},{"file":[{"success":1,"checksum":"eaa847346b1a023d97bbb291779610ed","date_created":"2021-08-10T11:44:59Z","date_updated":"2021-08-10T11:44:59Z","file_id":"9875","relation":"main_file","creator":"asandaue","content_type":"application/pdf","file_size":1085300,"access_level":"open_access","file_name":"2021_SciPostPhysics_Brauneis.pdf"}],"oa_version":"Published Version","intvolume":" 11","ddc":["530"],"status":"public","title":"Impurities in a one-dimensional Bose gas: The flow equation approach","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"9769","issue":"1","abstract":[{"lang":"eng","text":"A few years ago, flow equations were introduced as a technique for calculating the ground-state energies of cold Bose gases with and without impurities. In this paper, we extend this approach to compute observables other than the energy. As an example, we calculate the densities, and phase fluctuations of one-dimensional Bose gases with one and two impurities. For a single mobile impurity, we use flow equations to validate the mean-field results obtained upon the Lee-Low-Pines transformation. We show that the mean-field approximation is accurate for all values of the boson-impurity interaction strength as long as the phase coherence length is much larger than the healing length of the condensate. For two static impurities, we calculate impurity-impurity interactions induced by the Bose gas. We find that leading order perturbation theory fails when boson-impurity interactions are stronger than boson-boson interactions. The mean-field approximation reproduces the flow equation results for all values of the boson-impurity interaction strength as long as boson-boson interactions are weak."}],"type":"journal_article","date_published":"2021-07-13T00:00:00Z","article_type":"original","citation":{"short":"F. Brauneis, H.-W. Hammer, M. Lemeshko, A. Volosniev, SciPost Physics 11 (2021).","mla":"Brauneis, Fabian, et al. “Impurities in a One-Dimensional Bose Gas: The Flow Equation Approach.” SciPost Physics, vol. 11, no. 1, 008, SciPost, 2021, doi:10.21468/scipostphys.11.1.008.","chicago":"Brauneis, Fabian, Hans-Werner Hammer, Mikhail Lemeshko, and Artem Volosniev. “Impurities in a One-Dimensional Bose Gas: The Flow Equation Approach.” SciPost Physics. SciPost, 2021. https://doi.org/10.21468/scipostphys.11.1.008.","ama":"Brauneis F, Hammer H-W, Lemeshko M, Volosniev A. Impurities in a one-dimensional Bose gas: The flow equation approach. SciPost Physics. 2021;11(1). doi:10.21468/scipostphys.11.1.008","apa":"Brauneis, F., Hammer, H.-W., Lemeshko, M., & Volosniev, A. (2021). Impurities in a one-dimensional Bose gas: The flow equation approach. SciPost Physics. SciPost. https://doi.org/10.21468/scipostphys.11.1.008","ieee":"F. Brauneis, H.-W. Hammer, M. Lemeshko, and A. Volosniev, “Impurities in a one-dimensional Bose gas: The flow equation approach,” SciPost Physics, vol. 11, no. 1. SciPost, 2021.","ista":"Brauneis F, Hammer H-W, Lemeshko M, Volosniev A. 2021. Impurities in a one-dimensional Bose gas: The flow equation approach. SciPost Physics. 11(1), 008."},"publication":"SciPost Physics","has_accepted_license":"1","article_processing_charge":"Yes","day":"13","scopus_import":"1","volume":11,"date_created":"2021-08-04T15:00:55Z","date_updated":"2023-08-11T10:25:44Z","author":[{"full_name":"Brauneis, Fabian","first_name":"Fabian","last_name":"Brauneis"},{"last_name":"Hammer","first_name":"Hans-Werner","full_name":"Hammer, Hans-Werner"},{"last_name":"Lemeshko","first_name":"Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","full_name":"Lemeshko, Mikhail"},{"full_name":"Volosniev, Artem","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev"}],"department":[{"_id":"MiLe"}],"publisher":"SciPost","publication_status":"published","year":"2021","acknowledgement":"We thank Matthias Heinz and Volker Karle for helpful comments on the manuscript; Zoran Ristivojevic for useful correspondence regarding mean-field calculations of induced impurity-impurity interactions; Fabian Grusdt for sharing with us the data for the densities presented in Ref. [14]. This work has received funding from the DFG Project No. 413495248 [VO 2437/1-1] (F. B., H.-W. H., A. G. V.) and European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 754411 (A. G. V.). M. L. acknowledges support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). H.-W.H. thanks the ECT* for hospitality during the workshop “Universal physics in Many-Body Quantum Systems – From Atoms to Quarks\". This infrastructure is part of a project that has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 824093. H.-W.H. was supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) - Project-ID 279384907 - SFB 1245.","ec_funded":1,"file_date_updated":"2021-08-10T11:44:59Z","article_number":"008","language":[{"iso":"eng"}],"doi":"10.21468/scipostphys.11.1.008","project":[{"_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411","name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020"},{"call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle","grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425"}],"quality_controlled":"1","isi":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"external_id":{"isi":["000680039500013"],"arxiv":["2101.10958"]},"publication_identifier":{"eissn":["2542-4653"]},"month":"07"},{"file_date_updated":"2021-08-13T09:28:08Z","ec_funded":1,"article_number":"060602","date_created":"2021-08-13T09:27:39Z","date_updated":"2023-08-11T10:43:27Z","volume":127,"author":[{"id":"D7C012AE-D7ED-11E9-95E8-1EC5E5697425","orcid":"0000-0002-6963-0129","first_name":"Volker","last_name":"Karle","full_name":"Karle, Volker"},{"full_name":"Serbyn, Maksym","last_name":"Serbyn","first_name":"Maksym","orcid":"0000-0002-2399-5827","id":"47809E7E-F248-11E8-B48F-1D18A9856A87"},{"full_name":"Michailidis, Alexios","orcid":"0000-0002-8443-1064","id":"36EBAD38-F248-11E8-B48F-1D18A9856A87","last_name":"Michailidis","first_name":"Alexios"}],"publication_status":"published","publisher":"American Physical Society","department":[{"_id":"MaSe"},{"_id":"GradSch"},{"_id":"MiLe"}],"acknowledgement":"We acknowledge useful discussions with V. Gritsev and A. Garkun and suggestions on implementation of the\r\nPPXPP model by D. Bluvstein. A. M. and M. S. were supported by the European Research Council (ERC) under\r\nthe European Union’s Horizon 2020 research and innovation program (Grant Agreement No. 850899)","year":"2021","month":"08","publication_identifier":{"eissn":["1079-7114"],"issn":["0031-9007"]},"language":[{"iso":"eng"}],"doi":"10.1103/physrevlett.127.060602","quality_controlled":"1","isi":1,"project":[{"_id":"23841C26-32DE-11EA-91FC-C7463DDC885E","grant_number":"850899","call_identifier":"H2020","name":"Non-Ergodic Quantum Matter: Universality, Dynamics and Control"}],"external_id":{"isi":["000684276000002"],"arxiv":["2102.13633"]},"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"abstract":[{"text":"Eigenstate thermalization in quantum many-body systems implies that eigenstates at high energy are similar to random vectors. Identifying systems where at least some eigenstates are nonthermal is an outstanding question. In this Letter we show that interacting quantum models that have a nullspace—a degenerate subspace of eigenstates at zero energy (zero modes), which corresponds to infinite temperature, provide a route to nonthermal eigenstates. We analytically show the existence of a zero mode which can be represented as a matrix product state for a certain class of local Hamiltonians. In the more general case we use a subspace disentangling algorithm to generate an orthogonal basis of zero modes characterized by increasing entanglement entropy. We show evidence for an area-law entanglement scaling of the least-entangled zero mode in the broad parameter regime, leading to a conjecture that all local Hamiltonians with the nullspace feature zero modes with area-law entanglement scaling and, as such, break the strong thermalization hypothesis. Finally, we find zero modes in constrained models and propose a setup for observing their experimental signatures.","lang":"eng"}],"issue":"6","type":"journal_article","oa_version":"Published Version","file":[{"relation":"main_file","file_id":"9904","checksum":"51218f302dcef99d90d1209809fcc874","success":1,"date_updated":"2021-08-13T09:28:08Z","date_created":"2021-08-13T09:28:08Z","access_level":"open_access","file_name":"PhysRevLett.127.060602_SOM.pdf","content_type":"application/pdf","file_size":5064231,"creator":"mserbyn"}],"ddc":["539"],"title":"Area-law entangled eigenstates from nullspaces of local Hamiltonians","status":"public","intvolume":" 127","_id":"9903","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","day":"06","article_processing_charge":"Yes (in subscription journal)","has_accepted_license":"1","date_published":"2021-08-06T00:00:00Z","article_type":"letter_note","publication":"Physical Review Letters","citation":{"ama":"Karle V, Serbyn M, Michailidis A. Area-law entangled eigenstates from nullspaces of local Hamiltonians. Physical Review Letters. 2021;127(6). doi:10.1103/physrevlett.127.060602","ieee":"V. Karle, M. Serbyn, and A. Michailidis, “Area-law entangled eigenstates from nullspaces of local Hamiltonians,” Physical Review Letters, vol. 127, no. 6. American Physical Society, 2021.","apa":"Karle, V., Serbyn, M., & Michailidis, A. (2021). Area-law entangled eigenstates from nullspaces of local Hamiltonians. Physical Review Letters. American Physical Society. https://doi.org/10.1103/physrevlett.127.060602","ista":"Karle V, Serbyn M, Michailidis A. 2021. Area-law entangled eigenstates from nullspaces of local Hamiltonians. Physical Review Letters. 127(6), 060602.","short":"V. Karle, M. Serbyn, A. Michailidis, Physical Review Letters 127 (2021).","mla":"Karle, Volker, et al. “Area-Law Entangled Eigenstates from Nullspaces of Local Hamiltonians.” Physical Review Letters, vol. 127, no. 6, 060602, American Physical Society, 2021, doi:10.1103/physrevlett.127.060602.","chicago":"Karle, Volker, Maksym Serbyn, and Alexios Michailidis. “Area-Law Entangled Eigenstates from Nullspaces of Local Hamiltonians.” Physical Review Letters. American Physical Society, 2021. https://doi.org/10.1103/physrevlett.127.060602."}},{"oa_version":"Preprint","status":"public","title":"Half and quarter metals in rhombohedral trilayer graphene","_id":"10025","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","abstract":[{"text":"Ferromagnetism is most common in transition metal compounds but may also arise in low-density two-dimensional electron systems, with signatures observed in silicon, III-V semiconductor systems, and graphene moiré heterostructures. Here we show that gate-tuned van Hove singularities in rhombohedral trilayer graphene drive the spontaneous ferromagnetic polarization of the electron system into one or more spin- and valley flavors. Using capacitance measurements on graphite-gated van der Waals heterostructures, we find a cascade of density- and electronic displacement field tuned phase transitions marked by negative electronic compressibility. The transitions define the boundaries between phases where quantum oscillations have either four-fold, two-fold, or one-fold degeneracy, associated with a spin and valley degenerate normal metal, spin-polarized `half-metal', and spin and valley polarized `quarter metal', respectively. For electron doping, the salient features are well captured by a phenomenological Stoner model with a valley-anisotropic Hund's coupling, likely arising from interactions at the lattice scale. For hole filling, we observe a richer phase diagram featuring a delicate interplay of broken symmetries and transitions in the Fermi surface topology. Finally, by rotational alignment of a hexagonal boron nitride substrate to induce a moiré superlattice, we find that the superlattice perturbs the preexisting isospin order only weakly, leaving the basic phase diagram intact while catalyzing the formation of topologically nontrivial gapped states whenever itinerant half- or quarter metal states occur at half- or quarter superlattice band filling. Our results show that rhombohedral trilayer graphene is an ideal platform for well-controlled tests of many-body theory and reveal magnetism in moiré materials to be fundamentally itinerant in nature.","lang":"eng"}],"type":"journal_article","date_published":"2021-09-01T00:00:00Z","article_type":"original","publication":"Nature","citation":{"ama":"Zhou H, Xie T, Ghazaryan A, et al. Half and quarter metals in rhombohedral trilayer graphene. Nature. 2021. doi:10.1038/s41586-021-03938-w","ista":"Zhou H, Xie T, Ghazaryan A, Holder T, Ehrets JR, Spanton EM, Taniguchi T, Watanabe K, Berg E, Serbyn M, Young AF. 2021. Half and quarter metals in rhombohedral trilayer graphene. Nature.","apa":"Zhou, H., Xie, T., Ghazaryan, A., Holder, T., Ehrets, J. R., Spanton, E. M., … Young, A. F. (2021). Half and quarter metals in rhombohedral trilayer graphene. Nature. Springer Nature. https://doi.org/10.1038/s41586-021-03938-w","ieee":"H. Zhou et al., “Half and quarter metals in rhombohedral trilayer graphene,” Nature. Springer Nature, 2021.","mla":"Zhou, Haoxin, et al. “Half and Quarter Metals in Rhombohedral Trilayer Graphene.” Nature, Springer Nature, 2021, doi:10.1038/s41586-021-03938-w.","short":"H. Zhou, T. Xie, A. Ghazaryan, T. Holder, J.R. Ehrets, E.M. Spanton, T. Taniguchi, K. Watanabe, E. Berg, M. Serbyn, A.F. Young, Nature (2021).","chicago":"Zhou, Haoxin, Tian Xie, Areg Ghazaryan, Tobias Holder, James R. Ehrets, Eric M. Spanton, Takashi Taniguchi, et al. “Half and Quarter Metals in Rhombohedral Trilayer Graphene.” Nature. Springer Nature, 2021. https://doi.org/10.1038/s41586-021-03938-w."},"day":"01","article_processing_charge":"No","keyword":["condensed matter - mesoscale and nanoscale physics","condensed matter - strongly correlated electrons","multidisciplinary"],"scopus_import":"1","date_updated":"2023-08-14T07:04:06Z","date_created":"2021-09-19T22:01:25Z","author":[{"full_name":"Zhou, Haoxin","last_name":"Zhou","first_name":"Haoxin"},{"first_name":"Tian","last_name":"Xie","full_name":"Xie, Tian"},{"orcid":"0000-0001-9666-3543","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","last_name":"Ghazaryan","first_name":"Areg","full_name":"Ghazaryan, Areg"},{"last_name":"Holder","first_name":"Tobias","full_name":"Holder, Tobias"},{"first_name":"James R.","last_name":"Ehrets","full_name":"Ehrets, James R."},{"first_name":"Eric M.","last_name":"Spanton","full_name":"Spanton, Eric M."},{"last_name":"Taniguchi","first_name":"Takashi","full_name":"Taniguchi, Takashi"},{"first_name":"Kenji","last_name":"Watanabe","full_name":"Watanabe, Kenji"},{"last_name":"Berg","first_name":"Erez","full_name":"Berg, Erez"},{"last_name":"Serbyn","first_name":"Maksym","orcid":"0000-0002-2399-5827","id":"47809E7E-F248-11E8-B48F-1D18A9856A87","full_name":"Serbyn, Maksym"},{"last_name":"Young","first_name":"Andrea F.","full_name":"Young, Andrea F."}],"related_material":{"link":[{"relation":"erratum","url":"https://doi.org/10.1038/s41586-021-04181-z"}]},"publication_status":"published","publisher":"Springer Nature","department":[{"_id":"MaSe"},{"_id":"MiLe"}],"acknowledgement":"The authors acknowledge discussions with A. Macdonald, L. Fu, F. Wang and M. Zaletel. AFY acknowledges support of the National Science Foundation under DMR1654186, and the Gordon and Betty Moore Foundation under award GBMF9471. The authors acknowledge the use of the research facilities within the California NanoSystems Institute, supported by the University of California, Santa Barbara and the University of California, Office of the President.\r\nK.W. and T.T. acknowledge support from the Elemental Strategy Initiative conducted by the MEXT, Japan, Grant Number JPMXP0112101001 and JSPS KAKENHI, Grant Number JP20H00354. EB and TH were supported by the European Research Council (ERC) under grant HQMAT (Grant Agreement No. 817799). A.G. acknowledges support by the European Unions Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant Agreement\r\nNo. 754411.\r\n","year":"2021","ec_funded":1,"language":[{"iso":"eng"}],"doi":"10.1038/s41586-021-03938-w","isi":1,"quality_controlled":"1","project":[{"call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships","grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425"}],"external_id":{"arxiv":["2104.00653"],"isi":["000706977400002"]},"oa":1,"main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2104.00653"}],"month":"09","publication_identifier":{"issn":["0028-0836"],"eissn":["1476-4687"]}},{"article_processing_charge":"No","day":"01","scopus_import":"1","date_published":"2021-10-01T00:00:00Z","citation":{"short":"I. Runkel, L. Szegedy, Journal of Mathematical Physics 62 (2021).","mla":"Runkel, Ingo, and Lorant Szegedy. “Topological Field Theory on R-Spin Surfaces and the Arf-Invariant.” Journal of Mathematical Physics, vol. 62, no. 10, 102302, AIP Publishing, 2021, doi:10.1063/5.0037826.","chicago":"Runkel, Ingo, and Lorant Szegedy. “Topological Field Theory on R-Spin Surfaces and the Arf-Invariant.” Journal of Mathematical Physics. AIP Publishing, 2021. https://doi.org/10.1063/5.0037826.","ama":"Runkel I, Szegedy L. Topological field theory on r-spin surfaces and the Arf-invariant. Journal of Mathematical Physics. 2021;62(10). doi:10.1063/5.0037826","ieee":"I. Runkel and L. Szegedy, “Topological field theory on r-spin surfaces and the Arf-invariant,” Journal of Mathematical Physics, vol. 62, no. 10. AIP Publishing, 2021.","apa":"Runkel, I., & Szegedy, L. (2021). Topological field theory on r-spin surfaces and the Arf-invariant. Journal of Mathematical Physics. AIP Publishing. https://doi.org/10.1063/5.0037826","ista":"Runkel I, Szegedy L. 2021. Topological field theory on r-spin surfaces and the Arf-invariant. Journal of Mathematical Physics. 62(10), 102302."},"publication":"Journal of Mathematical Physics","article_type":"original","issue":"10","abstract":[{"lang":"eng","text":"We give a combinatorial model for r-spin surfaces with parameterized boundary based on Novak (“Lattice topological field theories in two dimensions,” Ph.D. thesis, Universität Hamburg, 2015). The r-spin structure is encoded in terms of ℤ𝑟-valued indices assigned to the edges of a polygonal decomposition. This combinatorial model is designed for our state-sum construction of two-dimensional topological field theories on r-spin surfaces. We show that an example of such a topological field theory computes the Arf-invariant of an r-spin surface as introduced by Randal-Williams [J. Topol. 7, 155 (2014)] and Geiges et al. [Osaka J. Math. 49, 449 (2012)]. This implies, in particular, that the r-spin Arf-invariant is constant on orbits of the mapping class group, providing an alternative proof of that fact."}],"type":"journal_article","oa_version":"Preprint","_id":"10176","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","intvolume":" 62","status":"public","title":"Topological field theory on r-spin surfaces and the Arf-invariant","publication_identifier":{"issn":["00222488"]},"month":"10","doi":"10.1063/5.0037826","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://arxiv.org/abs/1802.09978","open_access":"1"}],"external_id":{"arxiv":["1802.09978"],"isi":["000755638500010"]},"oa":1,"isi":1,"quality_controlled":"1","article_number":"102302","author":[{"first_name":"Ingo","last_name":"Runkel","full_name":"Runkel, Ingo"},{"orcid":"0000-0003-2834-5054","id":"7943226E-220E-11EA-94C7-D59F3DDC885E","last_name":"Szegedy","first_name":"Lorant","full_name":"Szegedy, Lorant"}],"volume":62,"date_created":"2021-10-24T22:01:32Z","date_updated":"2023-08-14T08:04:12Z","acknowledgement":"We would like to thank Nils Carqueville, Tobias Dyckerhoff, Jan Hesse, Ehud Meir, Sebastian Novak, Louis-Hadrien Robert, Nick Salter, Walker Stern, and Lukas Woike for helpful discussions and comments. L.S. was supported by the DFG Research Training Group 1670 “Mathematics Inspired by String Theory and Quantum Field Theory.”","year":"2021","publisher":"AIP Publishing","department":[{"_id":"MiLe"}],"publication_status":"published"},{"publication":"Communications Physics","citation":{"mla":"Barfknecht, Rafael E., et al. “Generation of Spin Currents by a Temperature Gradient in a Two-Terminal Device.” Communications Physics, vol. 4, no. 1, 252, Springer Nature, 2021, doi:10.1038/s42005-021-00753-7.","short":"R.E. Barfknecht, A. Foerster, N.T. Zinner, A. Volosniev, Communications Physics 4 (2021).","chicago":"Barfknecht, Rafael E., Angela Foerster, Nikolaj T. Zinner, and Artem Volosniev. “Generation of Spin Currents by a Temperature Gradient in a Two-Terminal Device.” Communications Physics. Springer Nature, 2021. https://doi.org/10.1038/s42005-021-00753-7.","ama":"Barfknecht RE, Foerster A, Zinner NT, Volosniev A. Generation of spin currents by a temperature gradient in a two-terminal device. Communications Physics. 2021;4(1). doi:10.1038/s42005-021-00753-7","ista":"Barfknecht RE, Foerster A, Zinner NT, Volosniev A. 2021. Generation of spin currents by a temperature gradient in a two-terminal device. Communications Physics. 4(1), 252.","ieee":"R. E. Barfknecht, A. Foerster, N. T. Zinner, and A. Volosniev, “Generation of spin currents by a temperature gradient in a two-terminal device,” Communications Physics, vol. 4, no. 1. Springer Nature, 2021.","apa":"Barfknecht, R. E., Foerster, A., Zinner, N. T., & Volosniev, A. (2021). Generation of spin currents by a temperature gradient in a two-terminal device. Communications Physics. Springer Nature. https://doi.org/10.1038/s42005-021-00753-7"},"article_type":"original","date_published":"2021-11-26T00:00:00Z","scopus_import":"1","day":"26","article_processing_charge":"No","has_accepted_license":"1","_id":"10401","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","title":"Generation of spin currents by a temperature gradient in a two-terminal device","ddc":["530"],"status":"public","intvolume":" 4","oa_version":"Published Version","file":[{"success":1,"checksum":"9097319952cb9a3d96e7fd3aa9813a03","date_updated":"2021-12-06T14:53:41Z","date_created":"2021-12-06T14:53:41Z","file_id":"10420","relation":"main_file","creator":"alisjak","content_type":"application/pdf","file_size":1068984,"access_level":"open_access","file_name":"2021_NatComm_Barfknecht.pdf"}],"type":"journal_article","abstract":[{"lang":"eng","text":"Theoretical and experimental studies of the interaction between spins and temperature are vital for the development of spin caloritronics, as they dictate the design of future devices. In this work, we propose a two-terminal cold-atom simulator to study that interaction. The proposed quantum simulator consists of strongly interacting atoms that occupy two temperature reservoirs connected by a one-dimensional link. First, we argue that the dynamics in the link can be described using an inhomogeneous Heisenberg spin chain whose couplings are defined by the local temperature. Second, we show the existence of a spin current in a system with a temperature difference by studying the dynamics that follows the spin-flip of an atom in the link. A temperature gradient accelerates the impurity in one direction more than in the other, leading to an overall spin current similar to the spin Seebeck effect."}],"issue":"1","oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"isi":["10.1038/s42005-021-00753-7"],"arxiv":["2101.02020"]},"quality_controlled":"1","project":[{"grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425","name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020"}],"doi":"10.1038/s42005-021-00753-7","language":[{"iso":"eng"}],"month":"11","publication_identifier":{"eissn":["23993650"]},"acknowledgement":"The authors acknowledge support from the European QuantERA ERA-NET Cofund in Quantum Technologies (Project QTFLAG Grant Agreement No. 731473) (R.E.B), CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico) Brazil (A.F.), the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 754411 (A.G.V.), the Independent Research Fund Denmark, the Carlsberg Foundation, and Aarhus University Research Foundation under the Jens Christian Skou fellowship program (N.T.Z).","year":"2021","publication_status":"published","publisher":"Springer Nature","department":[{"_id":"MiLe"}],"author":[{"first_name":"Rafael E.","last_name":"Barfknecht","full_name":"Barfknecht, Rafael E."},{"first_name":"Angela","last_name":"Foerster","full_name":"Foerster, Angela"},{"first_name":"Nikolaj T.","last_name":"Zinner","full_name":"Zinner, Nikolaj T."},{"first_name":"Artem","last_name":"Volosniev","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","full_name":"Volosniev, Artem"}],"date_created":"2021-12-05T23:01:39Z","date_updated":"2023-08-14T13:04:34Z","volume":4,"article_number":"252","file_date_updated":"2021-12-06T14:53:41Z","ec_funded":1},{"publication_identifier":{"issn":["1367-2630"]},"month":"12","doi":"10.1088/1367-2630/ac4124","language":[{"iso":"eng"}],"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"isi":["000734063700001"],"arxiv":["2012.11625"]},"oa":1,"project":[{"call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships","_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411"}],"quality_controlled":"1","isi":1,"ec_funded":1,"file_date_updated":"2022-01-17T10:01:58Z","article_number":"123042","author":[{"full_name":"Ghazaryan, Areg","first_name":"Areg","last_name":"Ghazaryan","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-9666-3543"},{"full_name":"Nica, Emilian M.","first_name":"Emilian M.","last_name":"Nica"},{"full_name":"Erten, Onur","first_name":"Onur","last_name":"Erten"},{"last_name":"Ghaemi","first_name":"Pouyan","full_name":"Ghaemi, Pouyan"}],"volume":23,"date_updated":"2023-08-17T06:54:54Z","date_created":"2022-01-16T23:01:28Z","year":"2021","acknowledgement":"PG acknowledges support from National Science Foundation Awards No. DMR-1824265 for this work. AG acknowledges support from the European Union's Horizon 2020 research and innovation program under the Marie Skłodowska-Curie Grant Agreement No. 754411. EMN is supported by ASU startup grant. OE is in part supported by NSF-DMR-1904716.","publisher":"IOP Publishing","department":[{"_id":"MiLe"}],"publication_status":"published","article_processing_charge":"No","has_accepted_license":"1","day":"23","scopus_import":"1","date_published":"2021-12-23T00:00:00Z","citation":{"ista":"Ghazaryan A, Nica EM, Erten O, Ghaemi P. 2021. Shadow surface states in topological Kondo insulators. New Journal of Physics. 23(12), 123042.","ieee":"A. Ghazaryan, E. M. Nica, O. Erten, and P. Ghaemi, “Shadow surface states in topological Kondo insulators,” New Journal of Physics, vol. 23, no. 12. IOP Publishing, 2021.","apa":"Ghazaryan, A., Nica, E. M., Erten, O., & Ghaemi, P. (2021). Shadow surface states in topological Kondo insulators. New Journal of Physics. IOP Publishing. https://doi.org/10.1088/1367-2630/ac4124","ama":"Ghazaryan A, Nica EM, Erten O, Ghaemi P. Shadow surface states in topological Kondo insulators. New Journal of Physics. 2021;23(12). doi:10.1088/1367-2630/ac4124","chicago":"Ghazaryan, Areg, Emilian M. Nica, Onur Erten, and Pouyan Ghaemi. “Shadow Surface States in Topological Kondo Insulators.” New Journal of Physics. IOP Publishing, 2021. https://doi.org/10.1088/1367-2630/ac4124.","mla":"Ghazaryan, Areg, et al. “Shadow Surface States in Topological Kondo Insulators.” New Journal of Physics, vol. 23, no. 12, 123042, IOP Publishing, 2021, doi:10.1088/1367-2630/ac4124.","short":"A. Ghazaryan, E.M. Nica, O. Erten, P. Ghaemi, New Journal of Physics 23 (2021)."},"publication":"New Journal of Physics","article_type":"original","issue":"12","abstract":[{"lang":"eng","text":"The surface states of 3D topological insulators in general have negligible quantum oscillations (QOs) when the chemical potential is tuned to the Dirac points. In contrast, we find that topological Kondo insulators (TKIs) can support surface states with an arbitrarily large Fermi surface (FS) when the chemical potential is pinned to the Dirac point. We illustrate that these FSs give rise to finite-frequency QOs, which can become comparable to the extremal area of the unhybridized bulk bands. We show that this occurs when the crystal symmetry is lowered from cubic to tetragonal in a minimal two-orbital model. We label such surface modes as 'shadow surface states'. Moreover, we show that the sufficient next-nearest neighbor out-of-plane hybridization leading to shadow surface states can be self-consistently stabilized for tetragonal TKIs. Consequently, shadow surface states provide an important example of high-frequency QOs beyond the context of cubic TKIs."}],"type":"journal_article","oa_version":"Published Version","file":[{"creator":"cchlebak","content_type":"application/pdf","file_size":2533102,"file_name":"2021_NewJourPhys_Ghazaryan.pdf","access_level":"open_access","date_updated":"2022-01-17T10:01:58Z","date_created":"2022-01-17T10:01:58Z","success":1,"checksum":"0c3cb6816242fa8afd1cc87a5fe77821","file_id":"10632","relation":"main_file"}],"user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"10628","intvolume":" 23","ddc":["530"],"status":"public","title":"Shadow surface states in topological Kondo insulators"},{"day":"30","article_processing_charge":"No","scopus_import":"1","date_published":"2021-12-30T00:00:00Z","publication":"Physical Review A","citation":{"mla":"Cherepanov, Igor, et al. “Excited Rotational States of Molecules in a Superfluid.” Physical Review A, vol. 104, no. 6, L061303, American Physical Society, 2021, doi:10.1103/PhysRevA.104.L061303.","short":"I. Cherepanov, G. Bighin, C.A. Schouder, A.S. Chatterley, S.H. Albrechtsen, A.V. Muñoz, L. Christiansen, H. Stapelfeldt, M. Lemeshko, Physical Review A 104 (2021).","chicago":"Cherepanov, Igor, Giacomo Bighin, Constant A. Schouder, Adam S. Chatterley, Simon H. Albrechtsen, Alberto Viñas Muñoz, Lars Christiansen, Henrik Stapelfeldt, and Mikhail Lemeshko. “Excited Rotational States of Molecules in a Superfluid.” Physical Review A. American Physical Society, 2021. https://doi.org/10.1103/PhysRevA.104.L061303.","ama":"Cherepanov I, Bighin G, Schouder CA, et al. Excited rotational states of molecules in a superfluid. Physical Review A. 2021;104(6). doi:10.1103/PhysRevA.104.L061303","ista":"Cherepanov I, Bighin G, Schouder CA, Chatterley AS, Albrechtsen SH, Muñoz AV, Christiansen L, Stapelfeldt H, Lemeshko M. 2021. Excited rotational states of molecules in a superfluid. Physical Review A. 104(6), L061303.","ieee":"I. Cherepanov et al., “Excited rotational states of molecules in a superfluid,” Physical Review A, vol. 104, no. 6. American Physical Society, 2021.","apa":"Cherepanov, I., Bighin, G., Schouder, C. A., Chatterley, A. S., Albrechtsen, S. H., Muñoz, A. V., … Lemeshko, M. (2021). Excited rotational states of molecules in a superfluid. Physical Review A. American Physical Society. https://doi.org/10.1103/PhysRevA.104.L061303"},"article_type":"original","abstract":[{"lang":"eng","text":"We combine experimental and theoretical approaches to explore excited rotational states of molecules embedded in helium nanodroplets using CS2 and I2 as examples. Laser-induced nonadiabatic molecular alignment is employed to measure spectral lines for rotational states extending beyond those initially populated at the 0.37 K droplet temperature. We construct a simple quantum-mechanical model, based on a linear rotor coupled to a single-mode bosonic bath, to determine the rotational energy structure in its entirety. The calculated and measured spectral lines are in good agreement. We show that the effect of the surrounding superfluid on molecular rotation can be rationalized by a single quantity, the angular momentum, transferred from the molecule to the droplet."}],"issue":"6","type":"journal_article","oa_version":"Preprint","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"10631","title":"Excited rotational states of molecules in a superfluid","status":"public","intvolume":" 104","month":"12","publication_identifier":{"eissn":["2469-9934"],"issn":["2469-9926"]},"doi":"10.1103/PhysRevA.104.L061303","language":[{"iso":"eng"}],"oa":1,"main_file_link":[{"url":"http://128.84.4.18/abs/2107.00468","open_access":"1"}],"external_id":{"isi":["000739618300001"],"arxiv":["2107.00468"]},"isi":1,"quality_controlled":"1","project":[{"call_identifier":"FWF","name":"Quantum rotations in the presence of a many-body environment","_id":"26031614-B435-11E9-9278-68D0E5697425","grant_number":"P29902"},{"_id":"2688CF98-B435-11E9-9278-68D0E5697425","grant_number":"801770","name":"Angulon: physics and applications of a new quasiparticle","call_identifier":"H2020"},{"_id":"2564DBCA-B435-11E9-9278-68D0E5697425","grant_number":"665385","name":"International IST Doctoral Program","call_identifier":"H2020"},{"call_identifier":"FWF","name":"A path-integral approach to composite impurities","_id":"26986C82-B435-11E9-9278-68D0E5697425","grant_number":"M02641"}],"ec_funded":1,"article_number":"L061303","author":[{"id":"339C7E5A-F248-11E8-B48F-1D18A9856A87","last_name":"Cherepanov","first_name":"Igor","full_name":"Cherepanov, Igor"},{"full_name":"Bighin, Giacomo","last_name":"Bighin","first_name":"Giacomo","orcid":"0000-0001-8823-9777","id":"4CA96FD4-F248-11E8-B48F-1D18A9856A87"},{"first_name":"Constant A.","last_name":"Schouder","full_name":"Schouder, Constant A."},{"first_name":"Adam S.","last_name":"Chatterley","full_name":"Chatterley, Adam S."},{"full_name":"Albrechtsen, Simon H.","last_name":"Albrechtsen","first_name":"Simon H."},{"full_name":"Muñoz, Alberto Viñas","first_name":"Alberto Viñas","last_name":"Muñoz"},{"first_name":"Lars","last_name":"Christiansen","full_name":"Christiansen, Lars"},{"first_name":"Henrik","last_name":"Stapelfeldt","full_name":"Stapelfeldt, Henrik"},{"orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","last_name":"Lemeshko","first_name":"Mikhail","full_name":"Lemeshko, Mikhail"}],"date_updated":"2023-08-17T06:52:17Z","date_created":"2022-01-16T23:01:29Z","volume":104,"acknowledgement":"I.C. acknowledges the support by the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie Grant Agreement No. 665385. G.B. acknowledges support from the Austrian Science Fund (FWF), under project No. M2461-N27. M.L. acknowledges support by the Austrian Science Fund (FWF), under project No. P29902-N27, and by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). H.S acknowledges support from the European Research Council-AdG (Project No. 320459, DropletControl) and from The Villum Foundation through a Villum Investigator grant no. 25886.","year":"2021","publication_status":"published","publisher":"American Physical Society","department":[{"_id":"MiLe"}]},{"month":"05","day":"31","article_processing_charge":"No","language":[{"iso":"eng"}],"doi":"10.48550/arXiv.2105.15193","date_published":"2021-05-31T00:00:00Z","project":[{"name":"Angulon: physics and applications of a new quasiparticle","call_identifier":"H2020","grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425"},{"call_identifier":"H2020","name":"International IST Doctoral Program","grant_number":"665385","_id":"2564DBCA-B435-11E9-9278-68D0E5697425"}],"page":"2105.15193","publication":"arXiv","external_id":{"arxiv":["2105.15193"]},"main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2105.15193"}],"citation":{"mla":"Rzadkowski, Wojciech, et al. “Artificial Neural Network States for Non-Additive Systems.” ArXiv, doi:10.48550/arXiv.2105.15193.","short":"W. Rzadkowski, M. Lemeshko, J.H. Mentink, ArXiv (n.d.).","chicago":"Rzadkowski, Wojciech, Mikhail Lemeshko, and Johan H. Mentink. “Artificial Neural Network States for Non-Additive Systems.” ArXiv, n.d. https://doi.org/10.48550/arXiv.2105.15193.","ama":"Rzadkowski W, Lemeshko M, Mentink JH. Artificial neural network states for non-additive systems. arXiv. doi:10.48550/arXiv.2105.15193","ista":"Rzadkowski W, Lemeshko M, Mentink JH. Artificial neural network states for non-additive systems. arXiv, 10.48550/arXiv.2105.15193.","apa":"Rzadkowski, W., Lemeshko, M., & Mentink, J. H. (n.d.). Artificial neural network states for non-additive systems. arXiv. https://doi.org/10.48550/arXiv.2105.15193","ieee":"W. Rzadkowski, M. Lemeshko, and J. H. Mentink, “Artificial neural network states for non-additive systems,” arXiv. ."},"oa":1,"abstract":[{"lang":"eng","text":"Methods inspired from machine learning have recently attracted great interest in the computational study of quantum many-particle systems. So far, however, it has proven challenging to deal with microscopic models in which the total number of particles is not conserved. To address this issue, we propose a new variant of neural network states, which we term neural coherent states. Taking the Fröhlich impurity model as a case study, we show that neural coherent states can learn the ground state of non-additive systems very well. In particular, we observe substantial improvement over the standard coherent state estimates in the most challenging intermediate coupling regime. Our approach is generic and does not assume specific details of the system, suggesting wide applications."}],"ec_funded":1,"type":"preprint","date_created":"2022-02-17T11:18:57Z","date_updated":"2023-09-07T13:44:16Z","oa_version":"Preprint","author":[{"orcid":"0000-0002-1106-4419","id":"48C55298-F248-11E8-B48F-1D18A9856A87","last_name":"Rzadkowski","first_name":"Wojciech","full_name":"Rzadkowski, Wojciech"},{"first_name":"Mikhail","last_name":"Lemeshko","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802","full_name":"Lemeshko, Mikhail"},{"last_name":"Mentink","first_name":"Johan H.","full_name":"Mentink, Johan H."}],"related_material":{"record":[{"id":"10759","status":"public","relation":"dissertation_contains"}]},"title":"Artificial neural network states for non-additive systems","status":"public","publication_status":"submitted","department":[{"_id":"MiLe"}],"acknowledgement":"We acknowledge fruitful discussions with Giacomo Bighin, Giammarco Fabiani, Areg Ghazaryan, Christoph\r\nLampert, and Artem Volosniev at various stages of this work. W.R. is a recipient of a DOC Fellowship of the\r\nAustrian Academy of Sciences and has received funding from the EU Horizon 2020 programme under the Marie\r\nSkłodowska-Curie Grant Agreement No. 665385. M. L. acknowledges support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). This work is part of the Shell-NWO/FOM-initiative “Computational sciences for energy research” of Shell and Chemical Sciences, Earth and Life Sciences, Physical Sciences, FOM and STW.","_id":"10762","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","year":"2021"},{"month":"07","day":"08","article_processing_charge":"No","publication":"arXiv","citation":{"chicago":"Phan, Duc T, Jorden L Senior, Areg Ghazaryan, M. Hatefipour, W. M. Strickland, J. Shabani, Maksym Serbyn, and Andrew P Higginbotham. “Breakdown of Induced P±ip Pairing in a Superconductor-Semiconductor Hybrid.” ArXiv, n.d.","short":"D.T. Phan, J.L. Senior, A. Ghazaryan, M. Hatefipour, W.M. Strickland, J. Shabani, M. Serbyn, A.P. Higginbotham, ArXiv (n.d.).","mla":"Phan, Duc T., et al. “Breakdown of Induced P±ip Pairing in a Superconductor-Semiconductor Hybrid.” ArXiv, 2107.03695.","ieee":"D. T. Phan et al., “Breakdown of induced p±ip pairing in a superconductor-semiconductor hybrid,” arXiv. .","apa":"Phan, D. T., Senior, J. L., Ghazaryan, A., Hatefipour, M., Strickland, W. M., Shabani, J., … Higginbotham, A. P. (n.d.). Breakdown of induced p±ip pairing in a superconductor-semiconductor hybrid. arXiv.","ista":"Phan DT, Senior JL, Ghazaryan A, Hatefipour M, Strickland WM, Shabani J, Serbyn M, Higginbotham AP. Breakdown of induced p±ip pairing in a superconductor-semiconductor hybrid. arXiv, 2107.03695.","ama":"Phan DT, Senior JL, Ghazaryan A, et al. Breakdown of induced p±ip pairing in a superconductor-semiconductor hybrid. arXiv."},"external_id":{"arxiv":["2107.03695"]},"oa":1,"main_file_link":[{"url":"https://arxiv.org/abs/2107.03695","open_access":"1"}],"project":[{"_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411","name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020"}],"date_published":"2021-07-08T00:00:00Z","acknowledged_ssus":[{"_id":"M-Shop"},{"_id":"NanoFab"}],"language":[{"iso":"eng"}],"article_number":"2107.03695","type":"preprint","abstract":[{"lang":"eng","text":"Superconductor-semiconductor hybrids are platforms for realizing effective p-wave superconductivity. Spin-orbit coupling, combined with the proximity effect, causes the two-dimensional semiconductor to inherit p±ip intraband pairing, and application of magnetic field can then result in transitions to the normal state, partial Bogoliubov Fermi surfaces, or topological phases with Majorana modes. Experimentally probing the hybrid superconductor-semiconductor interface is challenging due to the shunting effect of the conventional superconductor. Consequently, the nature of induced pairing remains an open question. Here, we use the circuit quantum electrodynamics architecture to probe induced superconductivity in a two dimensional Al-InAs hybrid system. We observe a strong suppression of superfluid density and enhanced dissipation driven by magnetic field, which cannot be accounted for by the depairing theory of an s-wave superconductor. These observations are explained by a picture of independent intraband p±ip superconductors giving way to partial Bogoliubov Fermi surfaces, and allow for the first characterization of key properties of the hybrid superconducting system."}],"ec_funded":1,"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"10029","acknowledgement":"This research was supported by the Scientific Service Units of IST Austria through resources provided by the MIBA Machine Shop and the nanofabrication facility. JS and AG were supported by funding from the European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant Agreement No.754411.","year":"2021","status":"public","publication_status":"submitted","title":"Breakdown of induced p±ip pairing in a superconductor-semiconductor hybrid","department":[{"_id":"MaSe"},{"_id":"AnHi"},{"_id":"MiLe"}],"author":[{"last_name":"Phan","first_name":"Duc T","id":"29C8C0B4-F248-11E8-B48F-1D18A9856A87","full_name":"Phan, Duc T"},{"full_name":"Senior, Jorden L","first_name":"Jorden L","last_name":"Senior","id":"5479D234-2D30-11EA-89CC-40953DDC885E","orcid":"0000-0002-0672-9295"},{"full_name":"Ghazaryan, Areg","first_name":"Areg","last_name":"Ghazaryan","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-9666-3543"},{"full_name":"Hatefipour, M.","last_name":"Hatefipour","first_name":"M."},{"full_name":"Strickland, W. M.","last_name":"Strickland","first_name":"W. M."},{"full_name":"Shabani, J.","first_name":"J.","last_name":"Shabani"},{"first_name":"Maksym","last_name":"Serbyn","id":"47809E7E-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-2399-5827","full_name":"Serbyn, Maksym"},{"first_name":"Andrew P","last_name":"Higginbotham","id":"4AD6785A-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-2607-2363","full_name":"Higginbotham, Andrew P"}],"related_material":{"record":[{"relation":"later_version","status":"public","id":"10851"},{"id":"9636","relation":"research_data","status":"public"}]},"date_updated":"2024-02-21T12:36:52Z","date_created":"2021-09-21T08:41:02Z","oa_version":"Preprint"},{"doi":"10.1103/physrevlett.127.160602","language":[{"iso":"eng"}],"external_id":{"isi":["000707495700001"],"arxiv":["2011.06279"]},"oa":1,"main_file_link":[{"url":"https://arxiv.org/abs/2011.06279","open_access":"1"}],"quality_controlled":"1","isi":1,"project":[{"call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships","grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425"},{"call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle","grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425"}],"month":"10","publication_identifier":{"eissn":["1079-7114"],"issn":["0031-9007"]},"author":[{"first_name":"Fumika","last_name":"Suzuki","id":"650C99FC-1079-11EA-A3C0-73AE3DDC885E","orcid":"0000-0003-4982-5970","full_name":"Suzuki, Fumika"},{"full_name":"Lemeshko, Mikhail","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802","first_name":"Mikhail","last_name":"Lemeshko"},{"full_name":"Zurek, Wojciech H.","last_name":"Zurek","first_name":"Wojciech H."},{"first_name":"Roman V.","last_name":"Krems","full_name":"Krems, Roman V."}],"date_created":"2021-10-13T09:21:33Z","date_updated":"2024-02-29T12:34:10Z","volume":127,"year":"2021","acknowledgement":"We acknowledge helpful discussions with W. G. Unruh and A. Rodriguez. F. S. is supported by European Union’s\r\nHorizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant No. 754411. M. L. acknowledges support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). W. H. Z. is\r\nsupported by Department of Energy under the Los\r\nAlamos National Laboratory LDRD Program as well as by the U.S. Department of Energy, Office of Science, Basic\r\nEnergy Sciences, Materials Sciences and Engineering Division, Condensed Matter Theory Program. R. V. K. is supported by NSERC of Canada.\r\n","publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"American Physical Society ","ec_funded":1,"article_number":"160602","date_published":"2021-10-12T00:00:00Z","publication":"Physical Review Letters","citation":{"ama":"Suzuki F, Lemeshko M, Zurek WH, Krems RV. Anderson localization of composite particles. Physical Review Letters. 2021;127(16). doi:10.1103/physrevlett.127.160602","apa":"Suzuki, F., Lemeshko, M., Zurek, W. H., & Krems, R. V. (2021). Anderson localization of composite particles. Physical Review Letters. American Physical Society . https://doi.org/10.1103/physrevlett.127.160602","ieee":"F. Suzuki, M. Lemeshko, W. H. Zurek, and R. V. Krems, “Anderson localization of composite particles,” Physical Review Letters, vol. 127, no. 16. American Physical Society , 2021.","ista":"Suzuki F, Lemeshko M, Zurek WH, Krems RV. 2021. Anderson localization of composite particles. Physical Review Letters. 127(16), 160602.","short":"F. Suzuki, M. Lemeshko, W.H. Zurek, R.V. Krems, Physical Review Letters 127 (2021).","mla":"Suzuki, Fumika, et al. “Anderson Localization of Composite Particles.” Physical Review Letters, vol. 127, no. 16, 160602, American Physical Society , 2021, doi:10.1103/physrevlett.127.160602.","chicago":"Suzuki, Fumika, Mikhail Lemeshko, Wojciech H. Zurek, and Roman V. Krems. “Anderson Localization of Composite Particles.” Physical Review Letters. American Physical Society , 2021. https://doi.org/10.1103/physrevlett.127.160602."},"article_type":"original","day":"12","article_processing_charge":"No","scopus_import":"1","keyword":["General Physics and Astronomy"],"oa_version":"Preprint","user_id":"3E5EF7F0-F248-11E8-B48F-1D18A9856A87","_id":"10134","title":"Anderson localization of composite particles","status":"public","intvolume":" 127","abstract":[{"text":"We investigate the effect of coupling between translational and internal degrees of freedom of composite quantum particles on their localization in a random potential. We show that entanglement between the two degrees of freedom weakens localization due to the upper bound imposed on the inverse participation ratio by purity of a quantum state. We perform numerical calculations for a two-particle system bound by a harmonic force in a 1D disordered lattice and a rigid rotor in a 2D disordered lattice. We illustrate that the coupling has a dramatic effect on localization properties, even with a small number of internal states participating in quantum dynamics.","lang":"eng"}],"issue":"16","type":"journal_article"},{"month":"03","quality_controlled":"1","project":[{"call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships","grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425"}],"oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"language":[{"iso":"eng"}],"doi":"10.1103/PhysRevResearch.2.013353","article_number":"013353","file_date_updated":"2020-07-14T12:48:00Z","ec_funded":1,"publication_status":"published","publisher":"American Physical Society","department":[{"_id":"MiLe"}],"year":"2020","date_created":"2020-03-20T15:21:10Z","date_updated":"2021-01-12T08:14:23Z","volume":2,"author":[{"first_name":"Dorota","last_name":"Gotfryd","full_name":"Gotfryd, Dorota"},{"full_name":"Paerschke, Ekaterina","orcid":"0000-0003-0853-8182","id":"8275014E-6063-11E9-9B7F-6338E6697425","last_name":"Paerschke","first_name":"Ekaterina"},{"first_name":"Jiri","last_name":"Chaloupka","full_name":"Chaloupka, Jiri"},{"full_name":"Oles, Andrzej M.","first_name":"Andrzej M.","last_name":"Oles"},{"last_name":"Wohlfeld","first_name":"Krzysztof","full_name":"Wohlfeld, Krzysztof"}],"day":"20","has_accepted_license":"1","article_processing_charge":"No","article_type":"original","publication":"Physical Review Research","citation":{"chicago":"Gotfryd, Dorota, Ekaterina Paerschke, Jiri Chaloupka, Andrzej M. Oles, and Krzysztof Wohlfeld. “How Spin-Orbital Entanglement Depends on the Spin-Orbit Coupling in a Mott Insulator.” Physical Review Research. American Physical Society, 2020. https://doi.org/10.1103/PhysRevResearch.2.013353.","short":"D. Gotfryd, E. Paerschke, J. Chaloupka, A.M. Oles, K. Wohlfeld, Physical Review Research 2 (2020).","mla":"Gotfryd, Dorota, et al. “How Spin-Orbital Entanglement Depends on the Spin-Orbit Coupling in a Mott Insulator.” Physical Review Research, vol. 2, no. 1, 013353, American Physical Society, 2020, doi:10.1103/PhysRevResearch.2.013353.","apa":"Gotfryd, D., Paerschke, E., Chaloupka, J., Oles, A. M., & Wohlfeld, K. (2020). How spin-orbital entanglement depends on the spin-orbit coupling in a Mott insulator. Physical Review Research. American Physical Society. https://doi.org/10.1103/PhysRevResearch.2.013353","ieee":"D. Gotfryd, E. Paerschke, J. Chaloupka, A. M. Oles, and K. Wohlfeld, “How spin-orbital entanglement depends on the spin-orbit coupling in a Mott insulator,” Physical Review Research, vol. 2, no. 1. American Physical Society, 2020.","ista":"Gotfryd D, Paerschke E, Chaloupka J, Oles AM, Wohlfeld K. 2020. How spin-orbital entanglement depends on the spin-orbit coupling in a Mott insulator. Physical Review Research. 2(1), 013353.","ama":"Gotfryd D, Paerschke E, Chaloupka J, Oles AM, Wohlfeld K. How spin-orbital entanglement depends on the spin-orbit coupling in a Mott insulator. Physical Review Research. 2020;2(1). doi:10.1103/PhysRevResearch.2.013353"},"date_published":"2020-03-20T00:00:00Z","type":"journal_article","abstract":[{"lang":"eng","text":"The concept of the entanglement between spin and orbital degrees of freedom plays a crucial role in our understanding of various phases and exotic ground states in a broad class of materials, including orbitally ordered materials and spin liquids. We investigate how the spin-orbital entanglement in a Mott insulator depends on the value of the spin-orbit coupling of the relativistic origin. To this end, we numerically diagonalize a one-dimensional spin-orbital model with Kugel-Khomskii exchange interactions between spins and orbitals on different sites supplemented by the on-site spin-orbit coupling. In the regime of small spin-orbit coupling with regard to the spin-orbital exchange, the ground state to a large extent resembles the one obtained in the limit of vanishing spin-orbit coupling. On the other hand, for large spin-orbit coupling the ground state can, depending on the model parameters, either still show negligible spin-orbital entanglement or evolve to a highly spin-orbitally-entangled phase with completely distinct properties that are described by an effective XXZ model. The presented results suggest that (i) the spin-orbital entanglement may be induced by large on-site spin-orbit coupling, as found in the 5d transition metal oxides, such as the iridates; (ii) for Mott insulators with weak spin-orbit coupling of Ising type, such as, e.g., the alkali hyperoxides, the effects of the spin-orbit coupling on the ground state can, in the first order of perturbation theory, be neglected."}],"issue":"1","title":"How spin-orbital entanglement depends on the spin-orbit coupling in a Mott insulator","ddc":["530"],"status":"public","intvolume":" 2","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"7594","file":[{"file_size":1436735,"content_type":"application/pdf","creator":"dernst","access_level":"open_access","file_name":"2020_PhysRevResearch_Gotfryd.pdf","checksum":"1be551fd5f5583635076017d7391ffdc","date_updated":"2020-07-14T12:48:00Z","date_created":"2020-03-23T10:18:38Z","relation":"main_file","file_id":"7610"}],"oa_version":"Published Version"},{"oa_version":"Published Version","file":[{"checksum":"e1c362fe094d6b246b3cd4a49722e78b","date_created":"2020-06-04T13:51:59Z","date_updated":"2020-07-14T12:48:05Z","relation":"main_file","file_id":"7926","content_type":"application/pdf","file_size":1741098,"creator":"dernst","access_level":"open_access","file_name":"2020_PhysRevResearch_Mistakidis.pdf"}],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"7919","title":"Induced correlations between impurities in a one-dimensional quenched Bose gas","status":"public","ddc":["530"],"intvolume":" 2","abstract":[{"lang":"eng","text":"We explore the time evolution of two impurities in a trapped one-dimensional Bose gas that follows a change of the boson-impurity interaction. We study the induced impurity-impurity interactions and their effect on the quench dynamics. In particular, we report on the size of the impurity cloud, the impurity-impurity entanglement, and the impurity-impurity correlation function. The presented numerical simulations are based upon the variational multilayer multiconfiguration time-dependent Hartree method for bosons. To analyze and quantify induced impurity-impurity correlations, we employ an effective two-body Hamiltonian with a contact interaction. We show that the effective model consistent with the mean-field attraction of two heavy impurities explains qualitatively our results for weak interactions. Our findings suggest that the quench dynamics in cold-atom systems can be a tool for studying impurity-impurity correlations."}],"type":"journal_article","date_published":"2020-05-11T00:00:00Z","publication":"Physical Review Research","citation":{"ama":"Mistakidis SI, Volosniev A, Schmelcher P. Induced correlations between impurities in a one-dimensional quenched Bose gas. Physical Review Research. 2020;2. doi:10.1103/physrevresearch.2.023154","ista":"Mistakidis SI, Volosniev A, Schmelcher P. 2020. Induced correlations between impurities in a one-dimensional quenched Bose gas. Physical Review Research. 2, 023154.","apa":"Mistakidis, S. I., Volosniev, A., & Schmelcher, P. (2020). Induced correlations between impurities in a one-dimensional quenched Bose gas. Physical Review Research. American Physical Society. https://doi.org/10.1103/physrevresearch.2.023154","ieee":"S. I. Mistakidis, A. Volosniev, and P. Schmelcher, “Induced correlations between impurities in a one-dimensional quenched Bose gas,” Physical Review Research, vol. 2. American Physical Society, 2020.","mla":"Mistakidis, S. I., et al. “Induced Correlations between Impurities in a One-Dimensional Quenched Bose Gas.” Physical Review Research, vol. 2, 023154, American Physical Society, 2020, doi:10.1103/physrevresearch.2.023154.","short":"S.I. Mistakidis, A. Volosniev, P. Schmelcher, Physical Review Research 2 (2020).","chicago":"Mistakidis, S. I., Artem Volosniev, and P. Schmelcher. “Induced Correlations between Impurities in a One-Dimensional Quenched Bose Gas.” Physical Review Research. American Physical Society, 2020. https://doi.org/10.1103/physrevresearch.2.023154."},"article_type":"original","day":"11","has_accepted_license":"1","article_processing_charge":"No","author":[{"first_name":"S. I.","last_name":"Mistakidis","full_name":"Mistakidis, S. I."},{"full_name":"Volosniev, Artem","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev"},{"full_name":"Schmelcher, P.","last_name":"Schmelcher","first_name":"P."}],"date_updated":"2023-02-23T13:20:16Z","date_created":"2020-06-03T11:30:10Z","volume":2,"year":"2020","publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"American Physical Society","file_date_updated":"2020-07-14T12:48:05Z","ec_funded":1,"article_number":"023154 ","doi":"10.1103/physrevresearch.2.023154","language":[{"iso":"eng"}],"oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"quality_controlled":"1","project":[{"call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships","_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411"}],"month":"05","publication_identifier":{"issn":["2643-1564"]}},{"year":"2020","publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"MDPI","author":[{"first_name":"Dorota","last_name":"Gotfryd","full_name":"Gotfryd, Dorota"},{"full_name":"Paerschke, Ekaterina","orcid":"0000-0003-0853-8182","id":"8275014E-6063-11E9-9B7F-6338E6697425","last_name":"Paerschke","first_name":"Ekaterina"},{"last_name":"Wohlfeld","first_name":"Krzysztof","full_name":"Wohlfeld, Krzysztof"},{"full_name":"Oleś, Andrzej M.","last_name":"Oleś","first_name":"Andrzej M."}],"date_updated":"2021-01-12T08:20:46Z","date_created":"2020-11-06T07:21:00Z","volume":5,"article_number":"53","file_date_updated":"2020-11-06T07:24:40Z","ec_funded":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"arxiv":["2009.11773"]},"oa":1,"quality_controlled":"1","project":[{"call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships","grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425"}],"doi":"10.3390/condmat5030053","language":[{"iso":"eng"}],"month":"08","publication_identifier":{"issn":["2410-3896"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"8726","ddc":["530"],"status":"public","title":"Evolution of spin-orbital entanglement with increasing ising spin-orbit coupling","intvolume":" 5","oa_version":"Published Version","file":[{"file_id":"8727","relation":"main_file","success":1,"checksum":"a57a698ff99a11b6665bafd1bac7afbc","date_updated":"2020-11-06T07:24:40Z","date_created":"2020-11-06T07:24:40Z","access_level":"open_access","file_name":"2020_CondensedMatter_Gotfryd.pdf","creator":"dernst","content_type":"application/pdf","file_size":768336}],"type":"journal_article","abstract":[{"lang":"eng","text":"Several realistic spin-orbital models for transition metal oxides go beyond the classical expectations and could be understood only by employing the quantum entanglement. Experiments on these materials confirm that spin-orbital entanglement has measurable consequences. Here, we capture the essential features of spin-orbital entanglement in complex quantum matter utilizing 1D spin-orbital model which accommodates SU(2)⊗SU(2) symmetric Kugel-Khomskii superexchange as well as the Ising on-site spin-orbit coupling. Building on the results obtained for full and effective models in the regime of strong spin-orbit coupling, we address the question whether the entanglement found on superexchange bonds always increases when the Ising spin-orbit coupling is added. We show that (i) quantum entanglement is amplified by strong spin-orbit coupling and, surprisingly, (ii) almost classical disentangled states are possible. We complete the latter case by analyzing how the entanglement existing for intermediate values of spin-orbit coupling can disappear for higher values of this coupling."}],"issue":"3","publication":"Condensed Matter","citation":{"ama":"Gotfryd D, Paerschke E, Wohlfeld K, Oleś AM. Evolution of spin-orbital entanglement with increasing ising spin-orbit coupling. Condensed Matter. 2020;5(3). doi:10.3390/condmat5030053","ista":"Gotfryd D, Paerschke E, Wohlfeld K, Oleś AM. 2020. Evolution of spin-orbital entanglement with increasing ising spin-orbit coupling. Condensed Matter. 5(3), 53.","apa":"Gotfryd, D., Paerschke, E., Wohlfeld, K., & Oleś, A. M. (2020). Evolution of spin-orbital entanglement with increasing ising spin-orbit coupling. Condensed Matter. MDPI. https://doi.org/10.3390/condmat5030053","ieee":"D. Gotfryd, E. Paerschke, K. Wohlfeld, and A. M. Oleś, “Evolution of spin-orbital entanglement with increasing ising spin-orbit coupling,” Condensed Matter, vol. 5, no. 3. MDPI, 2020.","mla":"Gotfryd, Dorota, et al. “Evolution of Spin-Orbital Entanglement with Increasing Ising Spin-Orbit Coupling.” Condensed Matter, vol. 5, no. 3, 53, MDPI, 2020, doi:10.3390/condmat5030053.","short":"D. Gotfryd, E. Paerschke, K. Wohlfeld, A.M. Oleś, Condensed Matter 5 (2020).","chicago":"Gotfryd, Dorota, Ekaterina Paerschke, Krzysztof Wohlfeld, and Andrzej M. Oleś. “Evolution of Spin-Orbital Entanglement with Increasing Ising Spin-Orbit Coupling.” Condensed Matter. MDPI, 2020. https://doi.org/10.3390/condmat5030053."},"article_type":"original","date_published":"2020-08-26T00:00:00Z","scopus_import":"1","day":"26","article_processing_charge":"No","has_accepted_license":"1"},{"date_published":"2020-04-01T00:00:00Z","article_type":"original","citation":{"ista":"Armstrong JR, Jensen AS, Volosniev A, Zinner NT. 2020. Clusters in separated tubes of tilted dipoles. Mathematics. 8(4), 484.","apa":"Armstrong, J. R., Jensen, A. S., Volosniev, A., & Zinner, N. T. (2020). Clusters in separated tubes of tilted dipoles. Mathematics. MDPI. https://doi.org/10.3390/math8040484","ieee":"J. R. Armstrong, A. S. Jensen, A. Volosniev, and N. T. Zinner, “Clusters in separated tubes of tilted dipoles,” Mathematics, vol. 8, no. 4. MDPI, 2020.","ama":"Armstrong JR, Jensen AS, Volosniev A, Zinner NT. Clusters in separated tubes of tilted dipoles. Mathematics. 2020;8(4). doi:10.3390/math8040484","chicago":"Armstrong, Jeremy R., Aksel S. Jensen, Artem Volosniev, and Nikolaj T. Zinner. “Clusters in Separated Tubes of Tilted Dipoles.” Mathematics. MDPI, 2020. https://doi.org/10.3390/math8040484.","mla":"Armstrong, Jeremy R., et al. “Clusters in Separated Tubes of Tilted Dipoles.” Mathematics, vol. 8, no. 4, 484, MDPI, 2020, doi:10.3390/math8040484.","short":"J.R. Armstrong, A.S. Jensen, A. Volosniev, N.T. Zinner, Mathematics 8 (2020)."},"publication":"Mathematics","article_processing_charge":"No","has_accepted_license":"1","day":"01","scopus_import":"1","file":[{"file_id":"7887","relation":"main_file","checksum":"a05a7df724522203d079673a0d4de4bc","date_created":"2020-05-25T14:42:22Z","date_updated":"2020-07-14T12:48:04Z","access_level":"open_access","file_name":"2020_Mathematics_Armstrong.pdf","creator":"dernst","content_type":"application/pdf","file_size":990540}],"oa_version":"Published Version","intvolume":" 8","ddc":["510"],"title":"Clusters in separated tubes of tilted dipoles","status":"public","_id":"7882","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","issue":"4","abstract":[{"text":"A few-body cluster is a building block of a many-body system in a gas phase provided the temperature at most is of the order of the binding energy of this cluster. Here we illustrate this statement by considering a system of tubes filled with dipolar distinguishable particles. We calculate the partition function, which determines the probability to find a few-body cluster at a given temperature. The input for our calculations—the energies of few-body clusters—is estimated using the harmonic approximation. We first describe and demonstrate the validity of our numerical procedure. Then we discuss the results featuring melting of the zero-temperature many-body state into a gas of free particles and few-body clusters. For temperature higher than its binding energy threshold, the dimers overwhelmingly dominate the ensemble, where the remaining probability is in free particles. At very high temperatures free (harmonic oscillator trap-bound) particle dominance is eventually reached. This structure evolution appears both for one and two particles in each layer providing crucial information about the behavior of ultracold dipolar gases. The investigation addresses the transition region between few- and many-body physics as a function of temperature using a system of ten dipoles in five tubes.","lang":"eng"}],"type":"journal_article","language":[{"iso":"eng"}],"doi":"10.3390/math8040484","project":[{"grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships"}],"quality_controlled":"1","isi":1,"external_id":{"isi":["000531824100024"]},"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"publication_identifier":{"eissn":["22277390"]},"month":"04","volume":8,"date_created":"2020-05-24T22:01:00Z","date_updated":"2023-08-21T06:23:36Z","author":[{"full_name":"Armstrong, Jeremy R.","last_name":"Armstrong","first_name":"Jeremy R."},{"last_name":"Jensen","first_name":"Aksel S.","full_name":"Jensen, Aksel S."},{"full_name":"Volosniev, Artem","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev"},{"first_name":"Nikolaj T.","last_name":"Zinner","full_name":"Zinner, Nikolaj T."}],"department":[{"_id":"MiLe"}],"publisher":"MDPI","publication_status":"published","year":"2020","ec_funded":1,"file_date_updated":"2020-07-14T12:48:04Z","article_number":"484"},{"language":[{"iso":"eng"}],"doi":"10.1103/PhysRevB.101.184104","isi":1,"quality_controlled":"1","project":[{"name":"Quantum rotations in the presence of a many-body environment","call_identifier":"FWF","grant_number":"P29902","_id":"26031614-B435-11E9-9278-68D0E5697425"},{"grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle"}],"external_id":{"arxiv":["1912.03092"],"isi":["000530754700003"]},"main_file_link":[{"url":"https://arxiv.org/abs/1912.03092","open_access":"1"}],"oa":1,"month":"05","publication_identifier":{"issn":["24699950"],"eissn":["24699969"]},"date_created":"2020-06-07T22:00:52Z","date_updated":"2023-08-21T07:05:15Z","volume":101,"author":[{"orcid":"0000-0003-4074-2570","id":"2E65BB0E-F248-11E8-B48F-1D18A9856A87","last_name":"Maslov","first_name":"Mikhail","full_name":"Maslov, Mikhail"},{"full_name":"Lemeshko, Mikhail","first_name":"Mikhail","last_name":"Lemeshko","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802"},{"orcid":"0000-0001-5973-0874","id":"38CB71F6-F248-11E8-B48F-1D18A9856A87","last_name":"Yakaboylu","first_name":"Enderalp","full_name":"Yakaboylu, Enderalp"}],"publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"American Physical Society","year":"2020","ec_funded":1,"article_number":"184104 ","date_published":"2020-05-01T00:00:00Z","article_type":"original","publication":"Physical Review B","citation":{"ama":"Maslov M, Lemeshko M, Yakaboylu E. Synthetic spin-orbit coupling mediated by a bosonic environment. Physical Review B. 2020;101(18). doi:10.1103/PhysRevB.101.184104","apa":"Maslov, M., Lemeshko, M., & Yakaboylu, E. (2020). Synthetic spin-orbit coupling mediated by a bosonic environment. Physical Review B. American Physical Society. https://doi.org/10.1103/PhysRevB.101.184104","ieee":"M. Maslov, M. Lemeshko, and E. Yakaboylu, “Synthetic spin-orbit coupling mediated by a bosonic environment,” Physical Review B, vol. 101, no. 18. American Physical Society, 2020.","ista":"Maslov M, Lemeshko M, Yakaboylu E. 2020. Synthetic spin-orbit coupling mediated by a bosonic environment. Physical Review B. 101(18), 184104.","short":"M. Maslov, M. Lemeshko, E. Yakaboylu, Physical Review B 101 (2020).","mla":"Maslov, Mikhail, et al. “Synthetic Spin-Orbit Coupling Mediated by a Bosonic Environment.” Physical Review B, vol. 101, no. 18, 184104, American Physical Society, 2020, doi:10.1103/PhysRevB.101.184104.","chicago":"Maslov, Mikhail, Mikhail Lemeshko, and Enderalp Yakaboylu. “Synthetic Spin-Orbit Coupling Mediated by a Bosonic Environment.” Physical Review B. American Physical Society, 2020. https://doi.org/10.1103/PhysRevB.101.184104."},"day":"01","article_processing_charge":"No","scopus_import":"1","oa_version":"Preprint","title":"Synthetic spin-orbit coupling mediated by a bosonic environment","status":"public","intvolume":" 101","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"7933","abstract":[{"text":"We study a mobile quantum impurity, possessing internal rotational degrees of freedom, confined to a ring in the presence of a many-particle bosonic bath. By considering the recently introduced rotating polaron problem, we define the Hamiltonian and examine the energy spectrum. The weak-coupling regime is studied by means of a variational ansatz in the truncated Fock space. The corresponding spectrum indicates that there emerges a coupling between the internal and orbital angular momenta of the impurity as a consequence of the phonon exchange. We interpret the coupling as a phonon-mediated spin-orbit coupling and quantify it by using a correlation function between the internal and the orbital angular momentum operators. The strong-coupling regime is investigated within the Pekar approach, and it is shown that the correlation function of the ground state shows a kink at a critical coupling, that is explained by a sharp transition from the noninteracting state to the states that exhibit strong interaction with the surroundings. The results might find applications in such fields as spintronics or topological insulators where spin-orbit coupling is of crucial importance.","lang":"eng"}],"issue":"18","type":"journal_article"},{"language":[{"iso":"eng"}],"doi":"10.1103/PhysRevLett.125.013001","quality_controlled":"1","isi":1,"project":[{"call_identifier":"FWF","name":"Quantum rotations in the presence of a many-body environment","_id":"26031614-B435-11E9-9278-68D0E5697425","grant_number":"P29902"},{"grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle"},{"name":"A path-integral approach to composite impurities","call_identifier":"FWF","grant_number":"M02641","_id":"26986C82-B435-11E9-9278-68D0E5697425"},{"grant_number":"665385","_id":"2564DBCA-B435-11E9-9278-68D0E5697425","name":"International IST Doctoral Program","call_identifier":"H2020"}],"external_id":{"isi":["000544526900006"],"arxiv":["2006.02694"]},"oa":1,"main_file_link":[{"url":"https://arxiv.org/abs/2006.02694","open_access":"1"}],"month":"07","publication_identifier":{"issn":["00319007"],"eissn":["10797114"]},"date_updated":"2023-08-22T08:22:43Z","date_created":"2020-07-26T22:01:02Z","volume":125,"author":[{"last_name":"Chatterley","first_name":"Adam S.","full_name":"Chatterley, Adam S."},{"last_name":"Christiansen","first_name":"Lars","full_name":"Christiansen, Lars"},{"last_name":"Schouder","first_name":"Constant A.","full_name":"Schouder, Constant A."},{"full_name":"Jørgensen, Anders V.","last_name":"Jørgensen","first_name":"Anders V."},{"first_name":"Benjamin","last_name":"Shepperson","full_name":"Shepperson, Benjamin"},{"full_name":"Cherepanov, Igor","first_name":"Igor","last_name":"Cherepanov","id":"339C7E5A-F248-11E8-B48F-1D18A9856A87"},{"orcid":"0000-0001-8823-9777","id":"4CA96FD4-F248-11E8-B48F-1D18A9856A87","last_name":"Bighin","first_name":"Giacomo","full_name":"Bighin, Giacomo"},{"full_name":"Zillich, Robert E.","first_name":"Robert E.","last_name":"Zillich"},{"first_name":"Mikhail","last_name":"Lemeshko","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802","full_name":"Lemeshko, Mikhail"},{"full_name":"Stapelfeldt, Henrik","last_name":"Stapelfeldt","first_name":"Henrik"}],"publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"American Physical Society","year":"2020","acknowledgement":"H. S. acknowledges support from the European Research Council-AdG (Project No. 320459, DropletControl)\r\nand from The Villum Foundation through a Villum Investigator Grant No. 25886. M. L. acknowledges support\r\nby the Austrian Science Fund (FWF), under Project No. P29902-N27, and by the European Research Council\r\n(ERC) Starting Grant No. 801770 (ANGULON). G. B. acknowledges support from the Austrian Science Fund\r\n(FWF), under Project No. M2641-N27. I. C. acknowledges support by the European Union’s Horizon 2020 research and\r\ninnovation programme under the Marie Skłodowska-Curie Grant Agreement No. 665385. Computational resources for\r\nthe PIMC simulations were provided by the division for scientific computing at the Johannes Kepler University.","ec_funded":1,"article_number":"013001","date_published":"2020-07-03T00:00:00Z","article_type":"original","publication":"Physical Review Letters","citation":{"short":"A.S. Chatterley, L. Christiansen, C.A. Schouder, A.V. Jørgensen, B. Shepperson, I. Cherepanov, G. Bighin, R.E. Zillich, M. Lemeshko, H. Stapelfeldt, Physical Review Letters 125 (2020).","mla":"Chatterley, Adam S., et al. “Rotational Coherence Spectroscopy of Molecules in Helium Nanodroplets: Reconciling the Time and the Frequency Domains.” Physical Review Letters, vol. 125, no. 1, 013001, American Physical Society, 2020, doi:10.1103/PhysRevLett.125.013001.","chicago":"Chatterley, Adam S., Lars Christiansen, Constant A. Schouder, Anders V. Jørgensen, Benjamin Shepperson, Igor Cherepanov, Giacomo Bighin, Robert E. Zillich, Mikhail Lemeshko, and Henrik Stapelfeldt. “Rotational Coherence Spectroscopy of Molecules in Helium Nanodroplets: Reconciling the Time and the Frequency Domains.” Physical Review Letters. American Physical Society, 2020. https://doi.org/10.1103/PhysRevLett.125.013001.","ama":"Chatterley AS, Christiansen L, Schouder CA, et al. Rotational coherence spectroscopy of molecules in Helium nanodroplets: Reconciling the time and the frequency domains. Physical Review Letters. 2020;125(1). doi:10.1103/PhysRevLett.125.013001","ieee":"A. S. Chatterley et al., “Rotational coherence spectroscopy of molecules in Helium nanodroplets: Reconciling the time and the frequency domains,” Physical Review Letters, vol. 125, no. 1. American Physical Society, 2020.","apa":"Chatterley, A. S., Christiansen, L., Schouder, C. A., Jørgensen, A. V., Shepperson, B., Cherepanov, I., … Stapelfeldt, H. (2020). Rotational coherence spectroscopy of molecules in Helium nanodroplets: Reconciling the time and the frequency domains. Physical Review Letters. American Physical Society. https://doi.org/10.1103/PhysRevLett.125.013001","ista":"Chatterley AS, Christiansen L, Schouder CA, Jørgensen AV, Shepperson B, Cherepanov I, Bighin G, Zillich RE, Lemeshko M, Stapelfeldt H. 2020. Rotational coherence spectroscopy of molecules in Helium nanodroplets: Reconciling the time and the frequency domains. Physical Review Letters. 125(1), 013001."},"day":"03","article_processing_charge":"No","scopus_import":"1","oa_version":"Preprint","status":"public","title":"Rotational coherence spectroscopy of molecules in Helium nanodroplets: Reconciling the time and the frequency domains","intvolume":" 125","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"8170","abstract":[{"lang":"eng","text":"Alignment of OCS, CS2, and I2 molecules embedded in helium nanodroplets is measured as a function\r\nof time following rotational excitation by a nonresonant, comparatively weak ps laser pulse. The distinct\r\npeaks in the power spectra, obtained by Fourier analysis, are used to determine the rotational, B, and\r\ncentrifugal distortion, D, constants. For OCS, B and D match the values known from IR spectroscopy. For\r\nCS2 and I2, they are the first experimental results reported. The alignment dynamics calculated from the\r\ngas-phase rotational Schrödinger equation, using the experimental in-droplet B and D values, agree in\r\ndetail with the measurement for all three molecules. The rotational spectroscopy technique for molecules in\r\nhelium droplets introduced here should apply to a range of molecules and complexes."}],"issue":"1","type":"journal_article"},{"acknowledgement":"This work has received funding from the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie Grant Agreement No. 754411 (A.G.V. and A.G.). M.L. acknowledges support by the Austrian Science Fund (FWF), under project No. P29902-N27, and by the European Research Council (ERC) Starting\r\nGrant No. 801770 (ANGULON).","year":"2020","department":[{"_id":"MiLe"}],"publisher":"Springer Nature","publication_status":"published","author":[{"full_name":"Ghazaryan, Areg","last_name":"Ghazaryan","first_name":"Areg","orcid":"0000-0001-9666-3543","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87"},{"id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802","first_name":"Mikhail","last_name":"Lemeshko","full_name":"Lemeshko, Mikhail"},{"full_name":"Volosniev, Artem","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","first_name":"Artem","last_name":"Volosniev"}],"volume":3,"date_created":"2020-10-13T09:48:59Z","date_updated":"2023-08-22T09:58:46Z","article_number":"178","ec_funded":1,"file_date_updated":"2020-10-14T15:16:28Z","tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"oa":1,"external_id":{"isi":["000581681000001"]},"project":[{"name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020","_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411"},{"call_identifier":"FWF","name":"Quantum rotations in the presence of a many-body environment","grant_number":"P29902","_id":"26031614-B435-11E9-9278-68D0E5697425"},{"grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425","name":"Angulon: physics and applications of a new quasiparticle","call_identifier":"H2020"}],"isi":1,"quality_controlled":"1","doi":"10.1038/s42005-020-00445-8","language":[{"iso":"eng"}],"publication_identifier":{"issn":["2399-3650"]},"month":"10","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"8652","intvolume":" 3","ddc":["530"],"status":"public","title":"Filtering spins by scattering from a lattice of point magnets","file":[{"relation":"main_file","file_id":"8662","date_updated":"2020-10-14T15:16:28Z","date_created":"2020-10-14T15:16:28Z","checksum":"60cd35b99f0780acffc7b6060e49ec8b","success":1,"file_name":"2020_CommPhysics_Ghazaryan.pdf","access_level":"open_access","file_size":1462934,"content_type":"application/pdf","creator":"dernst"}],"oa_version":"Published Version","type":"journal_article","abstract":[{"text":"Nature creates electrons with two values of the spin projection quantum number. In certain applications, it is important to filter electrons with one spin projection from the rest. Such filtering is not trivial, since spin-dependent interactions are often weak, and cannot lead to any substantial effect. Here we propose an efficient spin filter based upon scattering from a two-dimensional crystal, which is made of aligned point magnets. The polarization of the outgoing electron flux is controlled by the crystal, and reaches maximum at specific values of the parameters. In our scheme, polarization increase is accompanied by higher reflectivity of the crystal. High transmission is feasible in scattering from a quantum cavity made of two crystals. Our findings can be used for studies of low-energy spin-dependent scattering from two-dimensional ordered structures made of magnetic atoms or aligned chiral molecules.","lang":"eng"}],"citation":{"mla":"Ghazaryan, Areg, et al. “Filtering Spins by Scattering from a Lattice of Point Magnets.” Communications Physics, vol. 3, 178, Springer Nature, 2020, doi:10.1038/s42005-020-00445-8.","short":"A. Ghazaryan, M. Lemeshko, A. Volosniev, Communications Physics 3 (2020).","chicago":"Ghazaryan, Areg, Mikhail Lemeshko, and Artem Volosniev. “Filtering Spins by Scattering from a Lattice of Point Magnets.” Communications Physics. Springer Nature, 2020. https://doi.org/10.1038/s42005-020-00445-8.","ama":"Ghazaryan A, Lemeshko M, Volosniev A. Filtering spins by scattering from a lattice of point magnets. Communications Physics. 2020;3. doi:10.1038/s42005-020-00445-8","ista":"Ghazaryan A, Lemeshko M, Volosniev A. 2020. Filtering spins by scattering from a lattice of point magnets. Communications Physics. 3, 178.","ieee":"A. Ghazaryan, M. Lemeshko, and A. Volosniev, “Filtering spins by scattering from a lattice of point magnets,” Communications Physics, vol. 3. Springer Nature, 2020.","apa":"Ghazaryan, A., Lemeshko, M., & Volosniev, A. (2020). Filtering spins by scattering from a lattice of point magnets. Communications Physics. Springer Nature. https://doi.org/10.1038/s42005-020-00445-8"},"publication":"Communications Physics","article_type":"original","date_published":"2020-10-09T00:00:00Z","scopus_import":"1","article_processing_charge":"Yes","has_accepted_license":"1","day":"09"},{"abstract":[{"lang":"eng","text":"In the high spin–orbit-coupled Sr2IrO4, the high sensitivity of the ground state to the details of the local lattice structure shows a large potential for the manipulation of the functional properties by inducing local lattice distortions. We use epitaxial strain to modify the Ir–O bond geometry in Sr2IrO4 and perform momentum-dependent resonant inelastic X-ray scattering (RIXS) at the metal and at the ligand sites to unveil the response of the low-energy elementary excitations. We observe that the pseudospin-wave dispersion for tensile-strained Sr2IrO4 films displays large softening along the [h,0] direction, while along the [h,h] direction it shows hardening. This evolution reveals a renormalization of the magnetic interactions caused by a strain-driven cross-over from anisotropic to isotropic interactions between the magnetic moments. Moreover, we detect dispersive electron–hole pair excitations which shift to lower (higher) energies upon compressive (tensile) strain, manifesting a reduction (increase) in the size of the charge gap. This behavior shows an intimate coupling between charge excitations and lattice distortions in Sr2IrO4, originating from the modified hopping elements between the t2g orbitals. Our work highlights the central role played by the lattice degrees of freedom in determining both the pseudospin and charge excitations of Sr2IrO4 and provides valuable information toward the control of the ground state of complex oxides in the presence of high spin–orbit coupling."}],"issue":"40","type":"journal_article","oa_version":"Published Version","file":[{"date_updated":"2020-10-28T11:53:12Z","date_created":"2020-10-28T11:53:12Z","success":1,"checksum":"1638fa36b442e2868576c6dd7d6dc505","file_id":"8715","relation":"main_file","creator":"cziletti","file_size":1176522,"content_type":"application/pdf","file_name":"2020_PNAS_Paris.pdf","access_level":"open_access"}],"user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","_id":"8699","status":"public","ddc":["530"],"title":"Strain engineering of the charge and spin-orbital interactions in Sr2IrO4","intvolume":" 117","day":"06","article_processing_charge":"No","has_accepted_license":"1","scopus_import":"1","date_published":"2020-10-06T00:00:00Z","publication":"Proceedings of the National Academy of Sciences of the United States of America","citation":{"short":"E. Paris, Y. Tseng, E. Paerschke, W. Zhang, M.H. Upton, A. Efimenko, K. Rolfs, D.E. McNally, L. Maurel, M. Naamneh, M. Caputo, V.N. Strocov, Z. Wang, D. Casa, C.W. Schneider, E. Pomjakushina, K. Wohlfeld, M. Radovic, T. Schmitt, Proceedings of the National Academy of Sciences of the United States of America 117 (2020) 24764–24770.","mla":"Paris, Eugenio, et al. “Strain Engineering of the Charge and Spin-Orbital Interactions in Sr2IrO4.” Proceedings of the National Academy of Sciences of the United States of America, vol. 117, no. 40, National Academy of Sciences, 2020, pp. 24764–70, doi:10.1073/pnas.2012043117.","chicago":"Paris, Eugenio, Yi Tseng, Ekaterina Paerschke, Wenliang Zhang, Mary H Upton, Anna Efimenko, Katharina Rolfs, et al. “Strain Engineering of the Charge and Spin-Orbital Interactions in Sr2IrO4.” Proceedings of the National Academy of Sciences of the United States of America. National Academy of Sciences, 2020. https://doi.org/10.1073/pnas.2012043117.","ama":"Paris E, Tseng Y, Paerschke E, et al. Strain engineering of the charge and spin-orbital interactions in Sr2IrO4. Proceedings of the National Academy of Sciences of the United States of America. 2020;117(40):24764-24770. doi:10.1073/pnas.2012043117","ieee":"E. Paris et al., “Strain engineering of the charge and spin-orbital interactions in Sr2IrO4,” Proceedings of the National Academy of Sciences of the United States of America, vol. 117, no. 40. National Academy of Sciences, pp. 24764–24770, 2020.","apa":"Paris, E., Tseng, Y., Paerschke, E., Zhang, W., Upton, M. H., Efimenko, A., … Schmitt, T. (2020). Strain engineering of the charge and spin-orbital interactions in Sr2IrO4. Proceedings of the National Academy of Sciences of the United States of America. National Academy of Sciences. https://doi.org/10.1073/pnas.2012043117","ista":"Paris E, Tseng Y, Paerschke E, Zhang W, Upton MH, Efimenko A, Rolfs K, McNally DE, Maurel L, Naamneh M, Caputo M, Strocov VN, Wang Z, Casa D, Schneider CW, Pomjakushina E, Wohlfeld K, Radovic M, Schmitt T. 2020. Strain engineering of the charge and spin-orbital interactions in Sr2IrO4. Proceedings of the National Academy of Sciences of the United States of America. 117(40), 24764–24770."},"article_type":"original","page":"24764-24770","file_date_updated":"2020-10-28T11:53:12Z","ec_funded":1,"author":[{"full_name":"Paris, Eugenio","last_name":"Paris","first_name":"Eugenio"},{"full_name":"Tseng, Yi","first_name":"Yi","last_name":"Tseng"},{"last_name":"Paerschke","first_name":"Ekaterina","orcid":"0000-0003-0853-8182","id":"8275014E-6063-11E9-9B7F-6338E6697425","full_name":"Paerschke, Ekaterina"},{"last_name":"Zhang","first_name":"Wenliang","full_name":"Zhang, Wenliang"},{"last_name":"Upton","first_name":"Mary H","full_name":"Upton, Mary H"},{"first_name":"Anna","last_name":"Efimenko","full_name":"Efimenko, Anna"},{"full_name":"Rolfs, Katharina","last_name":"Rolfs","first_name":"Katharina"},{"full_name":"McNally, Daniel E","first_name":"Daniel E","last_name":"McNally"},{"first_name":"Laura","last_name":"Maurel","full_name":"Maurel, Laura"},{"full_name":"Naamneh, Muntaser","first_name":"Muntaser","last_name":"Naamneh"},{"last_name":"Caputo","first_name":"Marco","full_name":"Caputo, Marco"},{"full_name":"Strocov, Vladimir N","first_name":"Vladimir N","last_name":"Strocov"},{"full_name":"Wang, Zhiming","first_name":"Zhiming","last_name":"Wang"},{"full_name":"Casa, Diego","first_name":"Diego","last_name":"Casa"},{"full_name":"Schneider, Christof W","last_name":"Schneider","first_name":"Christof W"},{"first_name":"Ekaterina","last_name":"Pomjakushina","full_name":"Pomjakushina, Ekaterina"},{"full_name":"Wohlfeld, Krzysztof","last_name":"Wohlfeld","first_name":"Krzysztof"},{"first_name":"Milan","last_name":"Radovic","full_name":"Radovic, Milan"},{"full_name":"Schmitt, Thorsten","last_name":"Schmitt","first_name":"Thorsten"}],"date_created":"2020-10-25T23:01:17Z","date_updated":"2023-08-22T12:11:52Z","volume":117,"year":"2020","acknowledgement":"We gratefully acknowledge C. Sahle for experimental support at the ID20 beamline of the ESRF. The soft X-ray experiments were carried out at the ADRESS beamline of the Swiss Light Source, Paul Scherrer Institut (PSI). E. Paris and T.S. thank X. Lu and C. Monney for valuable discussions. The work at PSI is supported by the Swiss National Science Foundation (SNSF) through Project 200021_178867, the NCCR (National Centre of Competence in Research) MARVEL (Materials’ Revolution: Computational Design and Discovery of Novel Materials) and the Sinergia network Mott Physics Beyond the Heisenberg Model (MPBH) (SNSF Research Grants CRSII2_160765/1 and CRSII2_141962). K.W. acknowledges support by the Narodowe Centrum Nauki Projects 2016/22/E/ST3/00560 and 2016/23/B/ST3/00839. E.M.P. and M.N. acknowledge funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie Grant Agreements 754411 and 701647, respectively. M.R. was supported by the Swiss National Science Foundation under Project 200021 – 182695. This research used resources of the APS, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract DE-AC02-06CH11357.","pmid":1,"publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"National Academy of Sciences","month":"10","publication_identifier":{"eissn":["10916490"],"issn":["00278424"]},"doi":"10.1073/pnas.2012043117","language":[{"iso":"eng"}],"external_id":{"isi":["000579059100029"],"pmid":["32958669"],"arxiv":["2009.12262"]},"tmp":{"name":"Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)","legal_code_url":"https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode","short":"CC BY-NC-ND (4.0)","image":"/images/cc_by_nc_nd.png"},"oa":1,"quality_controlled":"1","isi":1,"project":[{"grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships"}]},{"project":[{"name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020","grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425"},{"call_identifier":"FWF","name":"Quantum rotations in the presence of a many-body environment","_id":"26031614-B435-11E9-9278-68D0E5697425","grant_number":"P29902"},{"call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle","grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425"}],"isi":1,"quality_controlled":"1","tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"external_id":{"isi":["000614616200006"]},"oa":1,"language":[{"iso":"eng"}],"doi":"10.1021/acs.jpcc.0c02584","publication_identifier":{"issn":["1932-7447"],"eissn":["1932-7455"]},"month":"05","department":[{"_id":"MiLe"}],"publisher":"American Chemical Society","publication_status":"published","year":"2020","volume":124,"date_updated":"2023-09-05T12:07:15Z","date_created":"2020-06-16T14:29:59Z","author":[{"full_name":"Ghazaryan, Areg","orcid":"0000-0001-9666-3543","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","last_name":"Ghazaryan","first_name":"Areg"},{"full_name":"Paltiel, Yossi","last_name":"Paltiel","first_name":"Yossi"},{"orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","last_name":"Lemeshko","first_name":"Mikhail","full_name":"Lemeshko, Mikhail"}],"ec_funded":1,"file_date_updated":"2020-10-20T14:39:47Z","page":"11716-11721","article_type":"original","citation":{"chicago":"Ghazaryan, Areg, Yossi Paltiel, and Mikhail Lemeshko. “Analytic Model of Chiral-Induced Spin Selectivity.” The Journal of Physical Chemistry C. American Chemical Society, 2020. https://doi.org/10.1021/acs.jpcc.0c02584.","mla":"Ghazaryan, Areg, et al. “Analytic Model of Chiral-Induced Spin Selectivity.” The Journal of Physical Chemistry C, vol. 124, no. 21, American Chemical Society, 2020, pp. 11716–21, doi:10.1021/acs.jpcc.0c02584.","short":"A. Ghazaryan, Y. Paltiel, M. Lemeshko, The Journal of Physical Chemistry C 124 (2020) 11716–11721.","ista":"Ghazaryan A, Paltiel Y, Lemeshko M. 2020. Analytic model of chiral-induced spin selectivity. The Journal of Physical Chemistry C. 124(21), 11716–11721.","ieee":"A. Ghazaryan, Y. Paltiel, and M. Lemeshko, “Analytic model of chiral-induced spin selectivity,” The Journal of Physical Chemistry C, vol. 124, no. 21. American Chemical Society, pp. 11716–11721, 2020.","apa":"Ghazaryan, A., Paltiel, Y., & Lemeshko, M. (2020). Analytic model of chiral-induced spin selectivity. The Journal of Physical Chemistry C. American Chemical Society. https://doi.org/10.1021/acs.jpcc.0c02584","ama":"Ghazaryan A, Paltiel Y, Lemeshko M. Analytic model of chiral-induced spin selectivity. The Journal of Physical Chemistry C. 2020;124(21):11716-11721. doi:10.1021/acs.jpcc.0c02584"},"publication":"The Journal of Physical Chemistry C","date_published":"2020-05-04T00:00:00Z","scopus_import":"1","article_processing_charge":"Yes (via OA deal)","has_accepted_license":"1","day":"04","intvolume":" 124","title":"Analytic model of chiral-induced spin selectivity","ddc":["530"],"status":"public","_id":"7968","user_id":"c635000d-4b10-11ee-a964-aac5a93f6ac1","file":[{"creator":"kschuh","content_type":"application/pdf","file_size":1543429,"access_level":"open_access","file_name":"2020_PhysChemC_Ghazaryan.pdf","success":1,"checksum":"25932bb1d0b0a955be0bea4d17facd49","date_updated":"2020-10-20T14:39:47Z","date_created":"2020-10-20T14:39:47Z","file_id":"8683","relation":"main_file"}],"oa_version":"Published Version","type":"journal_article","issue":"21","abstract":[{"lang":"eng","text":"Organic materials are known to feature long spin-diffusion times, originating in a generally small spin–orbit coupling observed in these systems. From that perspective, chiral molecules acting as efficient spin selectors pose a puzzle that attracted a lot of attention in recent years. Here, we revisit the physical origins of chiral-induced spin selectivity (CISS) and propose a simple analytic minimal model to describe it. The model treats a chiral molecule as an anisotropic wire with molecular dipole moments aligned arbitrarily with respect to the wire’s axes and is therefore quite general. Importantly, it shows that the helical structure of the molecule is not necessary to observe CISS and other chiral nonhelical molecules can also be considered as potential candidates for the CISS effect. We also show that the suggested simple model captures the main characteristics of CISS observed in the experiment, without the need for additional constraints employed in the previous studies. The results pave the way for understanding other related physical phenomena where the CISS effect plays an essential role."}]},{"date_updated":"2023-09-05T12:12:10Z","date_created":"2020-09-30T10:33:43Z","volume":102,"author":[{"first_name":"C.","last_name":"Hubert","full_name":"Hubert, C."},{"full_name":"Cohen, K.","last_name":"Cohen","first_name":"K."},{"first_name":"Areg","last_name":"Ghazaryan","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-9666-3543","full_name":"Ghazaryan, Areg"},{"last_name":"Lemeshko","first_name":"Mikhail","orcid":"0000-0002-6990-7802","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","full_name":"Lemeshko, Mikhail"},{"full_name":"Rapaport, R.","first_name":"R.","last_name":"Rapaport"},{"full_name":"Santos, P. V.","first_name":"P. V.","last_name":"Santos"}],"publication_status":"published","department":[{"_id":"MiLe"}],"publisher":"American Physical Society","acknowledgement":"We thank W. Kaganer for discussions and for comment on the manuscript. We acknowledge the financial support from the German-Israeli Foundation (GIF), grant agreement I-1277-303.10/2014. M.L. acknowledges support by the Austrian Science Fund (FWF), under project No. P29902-N27, and by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). A.G. acknowledges support by the European Unions Horizon 2020 research and innovation\r\nprogram under the Marie Skodowska-Curie grant agreement No 754411. P.V.S acknowledges financial support\r\nfrom the Deutsche Forschungsgemeinschaft (DFG) under\r\nProject No. SA 598/12-1.","year":"2020","ec_funded":1,"article_number":"045307","language":[{"iso":"eng"}],"doi":"10.1103/physrevb.102.045307","quality_controlled":"1","isi":1,"project":[{"call_identifier":"FWF","name":"Quantum rotations in the presence of a many-body environment","_id":"26031614-B435-11E9-9278-68D0E5697425","grant_number":"P29902"},{"grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle"},{"grant_number":"754411","_id":"260C2330-B435-11E9-9278-68D0E5697425","name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020"}],"main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/1910.06015"}],"oa":1,"external_id":{"isi":["000550579100004"],"arxiv":["1910.06015"]},"month":"07","publication_identifier":{"issn":["2469-9950"],"eissn":["2469-9969"]},"oa_version":"Preprint","status":"public","title":"Attractive interactions, molecular complexes, and polarons in coupled dipolar exciton fluids","intvolume":" 102","_id":"8588","user_id":"c635000d-4b10-11ee-a964-aac5a93f6ac1","abstract":[{"lang":"eng","text":"Dipolar (or spatially indirect) excitons (IXs) in semiconductor double quantum well (DQW) subjected to an electric field are neutral species with a dipole moment oriented perpendicular to the DQW plane. Here, we theoretically study interactions between IXs in stacked DQW bilayers, where the dipolar coupling can be either attractive or repulsive depending on the relative positions of the particles. By using microscopic band structure calculations to determine the electronic states forming the excitons, we show that the attractive dipolar interaction between stacked IXs deforms their electronic wave function, thereby increasing the inter-DQW interaction energy and making the IX even more electrically polarizable. Many-particle interaction effects are addressed by considering the coupling between a single IX in one of the DQWs to a cloud of IXs in the other DQW, which is modeled either as a closed-packed lattice or as a continuum IX fluid. We find that the lattice model yields IX interlayer binding energies decreasing with increasing lattice density. This behavior is due to the dominating role of the intra-DQW dipolar repulsion, which prevents more than one exciton from entering the attractive region of the inter-DQW coupling. Finally, both models shows that the single IX distorts the distribution of IXs in the adjacent DQW, thus inducing the formation of an IX dipolar polaron (dipolaron). While the interlayer binding energy reduces with IX density for lattice dipolarons, the continuous polaron model predicts a nonmonotonous dependence on density in semiquantitative agreement with a recent experimental study [cf. Hubert et al., Phys. Rev. X 9, 021026 (2019)]."}],"issue":"4","type":"journal_article","date_published":"2020-07-21T00:00:00Z","article_type":"original","publication":"Physical Review B","citation":{"ista":"Hubert C, Cohen K, Ghazaryan A, Lemeshko M, Rapaport R, Santos PV. 2020. Attractive interactions, molecular complexes, and polarons in coupled dipolar exciton fluids. Physical Review B. 102(4), 045307.","apa":"Hubert, C., Cohen, K., Ghazaryan, A., Lemeshko, M., Rapaport, R., & Santos, P. V. (2020). Attractive interactions, molecular complexes, and polarons in coupled dipolar exciton fluids. Physical Review B. American Physical Society. https://doi.org/10.1103/physrevb.102.045307","ieee":"C. Hubert, K. Cohen, A. Ghazaryan, M. Lemeshko, R. Rapaport, and P. V. Santos, “Attractive interactions, molecular complexes, and polarons in coupled dipolar exciton fluids,” Physical Review B, vol. 102, no. 4. American Physical Society, 2020.","ama":"Hubert C, Cohen K, Ghazaryan A, Lemeshko M, Rapaport R, Santos PV. Attractive interactions, molecular complexes, and polarons in coupled dipolar exciton fluids. Physical Review B. 2020;102(4). doi:10.1103/physrevb.102.045307","chicago":"Hubert, C., K. Cohen, Areg Ghazaryan, Mikhail Lemeshko, R. Rapaport, and P. V. Santos. “Attractive Interactions, Molecular Complexes, and Polarons in Coupled Dipolar Exciton Fluids.” Physical Review B. American Physical Society, 2020. https://doi.org/10.1103/physrevb.102.045307.","mla":"Hubert, C., et al. “Attractive Interactions, Molecular Complexes, and Polarons in Coupled Dipolar Exciton Fluids.” Physical Review B, vol. 102, no. 4, 045307, American Physical Society, 2020, doi:10.1103/physrevb.102.045307.","short":"C. Hubert, K. Cohen, A. Ghazaryan, M. Lemeshko, R. Rapaport, P.V. Santos, Physical Review B 102 (2020)."},"day":"21","article_processing_charge":"No","scopus_import":"1"}]