Fizika Nizkikh Temperatur: Volume 24, Number 2 (February 1998), p. 176-179    ( to contents , go back )

Bose-Einstein condensation and heat capacity of nonideal gas

V. S. Yarunin

Bogolyubov Laboratory for Theoretical Physics, United Insititute of Nuclear Research
pos Анотація:


Bogoliubov theory of a nonideal gas is attributed to a quasiclassical nonlinear behavior of Bose-condensate density. Analytical calculation leads to a superfluid 4He-like heat capacity Cv temperature dependence at the temperatures below and above Tc except the region 1.6K< T <2.2K.

05.30.-d - Quantum statistical mechanics
67.40.-w - Boson degeneracy and superfluidity of 4He
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