Boundary and particle number effects on the thermodynamic properties of trapped ideal Bose gases

Yee-Mou Kao (), D. Lin, Pin Han and Pi-Gang Luan

The European Physical Journal B: Condensed Matter and Complex Systems, 2003, vol. 34, issue 1, 55-61

Abstract: The ideal noninteracting Bose gases trapped in a generic power-law potential in an any-dimensional space are studied. We present theoretical results of the corrections of thermodynamic properties due to finite particle number effects. The calculation uses the Euler-Maclaurin approximation to simplify the condensate fraction, and it also uses the Maslov index to discuss the boundary effect. Recently BEC (Bose-Einstein Condensation) has also been observed in a microelectronic chip; therefore, with a similar microstructure, we can obtain the effects of a rigid wall in a trap that have never been found before. Copyright Springer-Verlag Berlin/Heidelberg 2003

Date: 2003
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DOI: 10.1140/epjb/e2003-00196-1

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