BEC in Nonextensive Statistical Mechanics

Details BEC in Nonextensive Statistical Mechanics BEC in Nonextensive Statistical Mechanics

1999-11-27

arxiv.org/abs/cond-mat/9911453v2

Int. J. Mod. Phys. B 14 (2000) 405-409

Physics

Condensed Matter

Statistical Mechanics

LaTex, 7 pages, no figures, to be published in Mod. Phys. Lett. B; corrected a typo in Eq. (2)

Scientific paper

10.1142/S0217979200000388

We discuss the Bose-Einstein condensation (BEC) for an ideal gas of bosons in the framework of Tsallis's nonextensive statistical mechanics. We study the corrections to the standard BEC formulas due to a weak nonextensivity of the system. In particular, we consider three cases in the D-dimensional space: the homogeneous gas, the gas in a harmonic trap and the relativistic homogenous gas. The results show that small deviations from the extensive Bose statistics produce remarkably large changes in the BEC transition temperature.

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