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- W2952337013 abstract "Momentum distributions and temporal power spectra of nonzero temperature Bose-Einstein condensates are calculated using a Gross-Pitaevskii model. The distributions are obtained for micro-canonical ensembles (conservative Gross-Pitaevskii equation) and for grand-canonical ensembles (Gross-Pitaevskii equation with fluctuations and dissipation terms). Use is made of an equivalence between statistics of the solutions of conservative Gross-Pitaevskii and dissipative complex Ginzburg-Landau equations. In all cases the occupation numbers of modes follow a k^(-2) dependence, which corresponds in the long wavelength limit (k->0) to Bose-Einstein distributions. The temporal power spectra are of f^(-a) form, where: a=2-D/2 with D the dimension of space." @default.
- W2952337013 created "2019-06-27" @default.
- W2952337013 creator A5089440600 @default.
- W2952337013 date "2001-10-12" @default.
- W2952337013 modified "2023-10-18" @default.
- W2952337013 title "Gross-Pitaevskii Model for Nonzero Temperature Bose-Einstein Condensates" @default.
- W2952337013 doi "https://doi.org/10.48550/arxiv.cond-mat/0110258" @default.
- W2952337013 hasPublicationYear "2001" @default.
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