Change in the adiabatic invariant in a nonlinear two-mode model of Feshbach resonance passage

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dc.creatorItin, A. P.
dc.creatorVasiliev, A. A.
dc.creatorWatanabe, S.
dc.creatorKrishna, G.
dc.date2006-11-03
dc.date2007-05-28
dc.date.accessioned2026-07-07T08:33:38Z
dc.date.available2026-07-07T08:33:38Z
dc.descriptionMean-field approach has recently been used to model coupled atom-molecular Bose-Einstein condensates (BEC) and coupled Fermi-Bose condensates near Feshbach resonance. Sweeping of magnetic field across the resonance gives a new (nonlinear) version of Landau-Zener problem. We investigate the structure of the corresponding classical phase space and calculate change in the action which corresponds to finite-rate efficiency of the sweep. We consider the case of non-zero initial action, which corresponds to some finite initial molecular fraction.
dc.description17 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/nlin/0611007
dc.identifierhttp://arxiv.org/abs/nlin/0611007
dc.identifierPhysica D 232, 108 (2007)
dc.identifierdoi:10.1016/j.physd.2007.06.001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/139200
dc.subjectChaotic Dynamics
dc.subjectOther Condensed Matter
dc.subjectQuantum Physics
dc.titleChange in the adiabatic invariant in a nonlinear two-mode model of Feshbach resonance passage
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