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Volume 35, Issue 10, October 2009
- BOSE-- EINSTEIN CONDENSATION
35(2009); http://dx.doi.org/10.1063/1.3253398View Description Hide Description
An asymptotic expansion for the partition function of an ideal Bose gas is obtained for a canonical ensemble with arbitrary number of particles. It is shown that the expressions found are valid at all temperatures, including the critical region. A comparison of the asymptotic formulas for fluctuations of the Bose condensate with the exact expressions is carried out and their quantitative agreement is established.