Basis-dependent dynamics of trapped Bose-Einstein condensates and analogies with semi-classical laser theory

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dc.creatorProukakis, N. P.
dc.creatorLambropoulos, P.
dc.date2000-08-10
dc.date2002-03-21
dc.date.accessioned2026-07-07T02:38:28Z
dc.date.available2026-07-07T02:38:28Z
dc.descriptionWe present a consistent second order perturbation theory for the lowest-lying condensed modes of very small, weakly-interacting Bose-Einstein condensates in terms of bare particle eigenstates in a harmonic trap. After presenting our general approach, we focus on explicit expressions for a simple three-level system, mainly in order to discuss the analogy of a single condensate occupying two modes of a trap with the semi-classical theory for two-mode photon lasers. A subsequent renormalization of the single-particle energies to include the dressing imposed by mean fields demonstrates clearly the consistency of our treatment with other kinetic approaches.
dc.description2 Modified Sections: (i) Analogy between 2-mode BEC and Semi-classical laser theory (ii) Links to other kinetic theories made more explicit. European Physical Journal D (accepted for publication): Laser Cooling and Quantum Gas Section
dc.identifierhttps://arxiv.org/abs/cond-mat/0008168
dc.identifierhttp://arxiv.org/abs/cond-mat/0008168
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16676
dc.subjectCondensed Matter
dc.titleBasis-dependent dynamics of trapped Bose-Einstein condensates and analogies with semi-classical laser theory
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