Interaction Dependence Thermodynamical parameters of Harmonically Trapped Bose gas

Details Interaction Dependence Thermodynamical parameters of Harmonically Trapped Bose gas Interaction Dependence Thermodynamical parameters of Harmonically Trapped Bose gas

2009-09-25

arxiv.org/abs/0909.4755v1

Physics

Condensed Matter

Statistical Mechanics

9 pages

Scientific paper

In this paper the thermodynamical parameters of a condensed Boson gas are calculated from the partial derivative of the grand potential. In particular, the analytical expressions for some important parameters, such as the condensed fraction, specific heat, critical temperature, effective size, and release energy are investigated. The mean effects which can be altered the ideal Bose gas, such as finite size, highly anisotropic of the external potential and interatomic interaction effects are considered simultaneously. Some new characteristics of the trapped interacting Bose gases in a highly anisotropic trap are revealed. The calculated result for the condensed fraction is compared with the ongoing Stuttgart experiment for 52Cr (Griesmaier et al., Phys. Rev. Lett. 94, 160401(2005)) directly. Good agreement between both the theoretical and experimental data are obtained.

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