On the quantum kinetic equation for molecular gases

O. Petrus

Physica A: Statistical Mechanics and its Applications, 1975, vol. 82, issue 2, 273-293

Abstract: A rigorous derivation of a quantum kinetic equation for dilute homogeneous diatomic gases with noncentral interactions is presented. This equation generalizes the Waldmann-Snyder equation, describing the relaxation of both diagonal and nondiagonal terms of the quantum distribution function fδδ′(t, P). The collision integral contains a term which describes the long-lived collisions and collisions with a large exchange of internal energy. The macroscopic conservation laws for mass density, total momentum density, total angular momentum density and energy density are derived. In the limit of monoatomic gases all known results are obtained.

Date: 1975
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:82:y:1975:i:2:p:273-293

DOI: 10.1016/0378-4371(75)90048-5

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