Theory of Degenerate Non-Ideal Gases
- 1 May 1941
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 59 (9), 751-757
- https://doi.org/10.1103/physrev.59.751
Abstract
The partition function for a non-ideal quantum gas is calculated by considering the degeneracy exactly and the inter-particle forces only so far as binary collisions are concerned. In the absence of forces, this reduces to the ideal Einstein-Bose or Fermi-Dirac gas, as the case may be, rather than to the ideal classical gas. If the wave functions describing the two-particle collision are known, the partition function can be reduced to a set of quadratures. The theory is applied to the phase transition in liquid helium in the following paper, and other possible applications are discussed here.Keywords
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