Density Matrix of a Bose--Einstein Condensate: Steady--State versus Mean--Field Approach

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dc.creatorWang, S. J.
dc.creatorNemes, M. C.
dc.creatorSalgueiro, A. N.
dc.creatorWeidenmüller, H. A.
dc.date2001-11-21
dc.date2001-12-07
dc.date.accessioned2026-07-07T02:43:37Z
dc.date.available2026-07-07T02:43:37Z
dc.descriptionWe compare the equilibrium solution for the condensate obtained in the mean--field approximation to the master equation for sympathetic cooling with the one obtained by Scully for a system in contact with a heat bath with the help of an analogy with the laser. While the mean--field approach yields analytical formulas for the approach towards equilibrium and for the equilibrium solution, it neglects the correlations between occupation numbers of different single--particle states which are approximately kept in Scully's approach. Such neglect is admissible as long as the fraction of Bosons in the condensate does not exceed a few percent or so.
dc.identifierhttps://arxiv.org/abs/cond-mat/0111413
dc.identifierhttp://arxiv.org/abs/cond-mat/0111413
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/18566
dc.subjectCondensed Matter
dc.titleDensity Matrix of a Bose--Einstein Condensate: Steady--State versus Mean--Field Approach
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