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A beyond mean field study of Bose gases in a double-well potential with a Feshbach resonance

AuthorsPérez-Fernández, P.; Relaño, Armando; Dukelsky, Jorge CSIC ORCID; Arias, J. M.
KeywordsGround states
Phase transformations
Resonant states
Boson systems
Issue Date2013
PublisherAmerican Institute of Physics
CitationLa Rábida 2012. International Scientific meeting on Nuclear Physics: Basic Concepts in Nuclear Physics: Theory, Experiments, and Applications, 1541, 187- 188 (2013)
AbstractThe Bose-Hubbard model coupled to a Feshbach resonance is studied. Quantum phase transitions are analyzed within a beyond mean field framework in order to get finite size corrections to the simple mean field approach. Analytical results for the ground state energy and the first few energy gaps are presented.
Identifiersdoi: 10.1063/1.4810840
isbn: 978-0-7354-1165-4
Appears in Collections:(CFMAC-IEM) Libros y partes de libros
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