{"type":"journal_article","month":"09","date_published":"2013-09-01T00:00:00Z","issue":"2","author":[{"full_name":"Grech, Philip","first_name":"Philip","last_name":"Grech"},{"orcid":"0000-0002-6781-0521","full_name":"Robert Seiringer","id":"4AFD0470-F248-11E8-B48F-1D18A9856A87","last_name":"Seiringer","first_name":"Robert"}],"publication_status":"published","citation":{"short":"P. Grech, R. Seiringer, Communications in Mathematical Physics 322 (2013) 559–591.","chicago":"Grech, Philip, and Robert Seiringer. “The Excitation Spectrum for Weakly Interacting Bosons in a Trap.” Communications in Mathematical Physics. Springer, 2013. https://doi.org/10.1007/s00220-013-1736-8.","ama":"Grech P, Seiringer R. The excitation spectrum for weakly interacting Bosons in a trap. Communications in Mathematical Physics. 2013;322(2):559-591. doi:10.1007/s00220-013-1736-8","ista":"Grech P, Seiringer R. 2013. The excitation spectrum for weakly interacting Bosons in a trap. Communications in Mathematical Physics. 322(2), 559–591.","ieee":"P. Grech and R. Seiringer, “The excitation spectrum for weakly interacting Bosons in a trap,” Communications in Mathematical Physics, vol. 322, no. 2. Springer, pp. 559–591, 2013.","mla":"Grech, Philip, and Robert Seiringer. “The Excitation Spectrum for Weakly Interacting Bosons in a Trap.” Communications in Mathematical Physics, vol. 322, no. 2, Springer, 2013, pp. 559–91, doi:10.1007/s00220-013-1736-8.","apa":"Grech, P., & Seiringer, R. (2013). The excitation spectrum for weakly interacting Bosons in a trap. Communications in Mathematical Physics. Springer. https://doi.org/10.1007/s00220-013-1736-8"},"status":"public","year":"2013","publist_id":"4518","extern":1,"doi":"10.1007/s00220-013-1736-8","publisher":"Springer","intvolume":" 322","publication":"Communications in Mathematical Physics","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_updated":"2021-01-12T06:57:18Z","volume":322,"quality_controlled":0,"day":"01","page":"559 - 591","date_created":"2018-12-11T11:57:29Z","oa":1,"title":"The excitation spectrum for weakly interacting Bosons in a trap","main_file_link":[{"url":"http://arxiv.org/abs/1205.5259","open_access":"1"}],"_id":"2408"}