Feshbach-Einstein condensates

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dc.creatorRousseau, Valy G.
dc.creatorDenteneer, Peter J. H.
dc.date2008-10-21
dc.date2008-12-09
dc.date.accessioned2026-07-07T12:24:49Z
dc.date.available2026-07-07T12:24:49Z
dc.descriptionWe investigate the phase diagram of a two-species Bose-Hubbard model describing atoms and molecules on a lattice, interacting via a Feshbach resonance. We identify a region where the system exhibits an exotic super-Mott phase and regions with phases characterized by atomic and/or molecular condensates. Our approach is based on a recently developed exact quantum Monte Carlo algorithm: the Stochastic Green Function algorithm with tunable directionality. We confirm some of the results predicted by mean-field studies, but we also find disagreement with these studies. In particular, we find a phase with an atomic but no molecular condensate, which is missing in all mean-field phase diagrams.
dc.description4 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/0810.3763
dc.identifierhttp://arxiv.org/abs/0810.3763
dc.identifierPhys. Rev. Lett. 102, 015301 (2009)
dc.identifierdoi:10.1103/PhysRevLett.102.015301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214441
dc.subjectStatistical Mechanics
dc.titleFeshbach-Einstein condensates
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