The effect of interactions on Bose-Einstein condensation in a two-dimensional harmonic trap

Details The effect of interactions on Bose-Einstein condensation in a two-dimensional harmonic trap The effect of interactions on Bose-Einstein condensation in a two-dimensional harmonic trap

1999-08-14

arxiv.org/abs/cond-mat/9908210v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

extended version; to appear in J. Phys. B (special issue on BEC)

Scientific paper

10.1088/0953-4075/33/19/304

A dilute bose gas in a quasi two-dimensional harmonic trap and interacting with a repulsive two-body zero-range potential of fixed coupling constant is considered. Using the Thomas-Fermi method, it is shown to remain in the same uncondensed phase as the temperature is lowered. Its density profile and energy are identical to that of an ideal gas obeying the fractional exclusion statistics of Haldane. PACS: ~03.75.Fi, 05.30.Jp, 67.40.Db, 05.30.-d

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