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Kinetic theory for particle production

Josep Triginer·Winfried Zimdahl·Diego Pavon
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Abstract

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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Josep Triginer, Winfried Zimdahl, Diego Pavon. 1996-02-13. Kinetic theory for particle production. https://doi.org/10.1088/0264-9381%2F13%2F3%2F008

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