{"extern":1,"volume":322,"main_file_link":[{"url":"http://arxiv.org/abs/1205.5259","open_access":"1"}],"publication":"Communications in Mathematical Physics","month":"09","publisher":"Springer","citation":{"apa":"Grech, P., &#38; Seiringer, R. (2013). The excitation spectrum for weakly interacting Bosons in a trap. <i>Communications in Mathematical Physics</i>. Springer. <a href=\"https://doi.org/10.1007/s00220-013-1736-8\">https://doi.org/10.1007/s00220-013-1736-8</a>","chicago":"Grech, Philip, and Robert Seiringer. “The Excitation Spectrum for Weakly Interacting Bosons in a Trap.” <i>Communications in Mathematical Physics</i>. Springer, 2013. <a href=\"https://doi.org/10.1007/s00220-013-1736-8\">https://doi.org/10.1007/s00220-013-1736-8</a>.","ama":"Grech P, Seiringer R. The excitation spectrum for weakly interacting Bosons in a trap. <i>Communications in Mathematical Physics</i>. 2013;322(2):559-591. doi:<a href=\"https://doi.org/10.1007/s00220-013-1736-8\">10.1007/s00220-013-1736-8</a>","short":"P. Grech, R. Seiringer, Communications in Mathematical Physics 322 (2013) 559–591.","ieee":"P. Grech and R. Seiringer, “The excitation spectrum for weakly interacting Bosons in a trap,” <i>Communications in Mathematical Physics</i>, vol. 322, no. 2. Springer, pp. 559–591, 2013.","ista":"Grech P, Seiringer R. 2013. The excitation spectrum for weakly interacting Bosons in a trap. Communications in Mathematical Physics. 322(2), 559–591.","mla":"Grech, Philip, and Robert Seiringer. “The Excitation Spectrum for Weakly Interacting Bosons in a Trap.” <i>Communications in Mathematical Physics</i>, vol. 322, no. 2, Springer, 2013, pp. 559–91, doi:<a href=\"https://doi.org/10.1007/s00220-013-1736-8\">10.1007/s00220-013-1736-8</a>."},"type":"journal_article","publist_id":"4518","publication_status":"published","oa":1,"status":"public","abstract":[{"lang":"eng","text":"We investigate the low-energy excitation spectrum of a Bose gas confined in a trap, with weak long-range repulsive interactions. In particular, we prove that the spectrum can be described in terms of the eigenvalues of an effective one-particle operator, as predicted by the Bogoliubov approximation."}],"date_published":"2013-09-01T00:00:00Z","title":"The excitation spectrum for weakly interacting Bosons in a trap","author":[{"last_name":"Grech","first_name":"Philip","full_name":"Grech, Philip"},{"first_name":"Robert","orcid":"0000-0002-6781-0521","last_name":"Seiringer","id":"4AFD0470-F248-11E8-B48F-1D18A9856A87","full_name":"Robert Seiringer"}],"date_created":"2018-12-11T11:57:29Z","date_updated":"2021-01-12T06:57:18Z","doi":"10.1007/s00220-013-1736-8","quality_controlled":0,"intvolume":"       322","page":"559 - 591","issue":"2","year":"2013","day":"01","_id":"2408"}