Collision brackets in quantum kinetic theory

Ch.G. van Weert and Ch.J. Calkoen

Physica A: Statistical Mechanics and its Applications, 1986, vol. 138, issue 3, 415-432

Abstract: It is shown that the collision bracket of the linearized quasiparticle Boltzmann equation can be reduced to a five-fold integral expression. It generalizes earlier work in so far that it accomodates an energy dependent effective mass and allows the calculation of transport coefficients for quasiparticle systems at finite temperature. As an example, the thermal conductivity of liquid 3He is calculated for a simple one-Landau parameter model for various pressures. The result, parametrized by a single reduced temperature, compares favourably with Greywall's experimental data.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:138:y:1986:i:3:p:415-432

DOI: 10.1016/0378-4371(86)90025-7

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