Impurity in a heteronuclear two-component Bose mixture
Bighin G, Burchianti A, Minardi F, Macrì T. 2022. Impurity in a heteronuclear two-component Bose mixture. Physical Review A. 106(2), 023301.
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Author
Bighin, GiacomoISTA 
;
Burchianti, A.;
Minardi, F.;
Macrì, T.
;
Burchianti, A.;
Minardi, F.;
Macrì, T.Department
Abstract
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
at the surface of the droplet.
Publishing Year
Date Published
2022-08-04
Journal Title
Physical Review A
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.
Volume
106
Issue
2
Article Number
023301
ISSN
eISSN
IST-REx-ID
Cite this
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
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
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.
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.
Bighin G, Burchianti A, Minardi F, Macrì T. 2022. Impurity in a heteronuclear two-component Bose mixture. Physical Review A. 106(2), 023301.
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.
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