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Article overview
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Trapped Bose-Einstein condensates at finite temperature: a two-gas model | R. J. Dodd
; K. Burnett
; Mark Edwards
; Charles W. Clark
; | Date: |
24 Dec 1997 | Subject: | Statistical Mechanics | cond-mat.stat-mech | Affiliation: | University of Maryland, College Park), K. Burnett (Oxford University), Mark Edwards (Georgia Southern University), Charles W. Clark (National Institute of Standards and Technology | Abstract: | A simple picture describes the results of recent treatments of partially-condensed, dilute, trapped Bose gases at temperature T > 0. The condensate wavefunction is nearly identical to that of a T=0 condensate with the same number of condensate atoms, N_0. The cloud of non-condensed atoms is described by the statistical mechanics of an ideal Bose gas in the combined potentials of the magnetic trap and the cloud-condensate interaction. We provide a physical motivation for this result, show how it emerges in the Hartree-Fock-Bogoliubov-Popov approximation, and explore some of its implications for future experiments. | Source: | arXiv, cond-mat/9712286 | Services: | Forum | Review | PDF | Favorites |
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