Kinetic theory for particle production

Details Kinetic theory for particle production Kinetic theory for particle production

1996-02-13

arxiv.org/abs/gr-qc/9602028v1

Class.Quant.Grav. 13 (1996) 403-416

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

19 pages, Latex file, to appear in Class.Quantum Grav

Scientific paper

10.1088/0264-9381/13/3/008

Recently, the phenomenological description of cosmological particle production processes in terms of effective viscous pressures has attracted some attention. Using a simple creation rate model we discuss the question to what extent this approach is compatible with the kinetic theory of a relativistic gas. We find the effective viscous pressure approach to be consistent with this model for homogeneous spacetimes but not for inhomogeneous ones.

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