Kinetic theory for particle production
General Relativity and Quantum Cosmology
2009-10-28 v1 Astrophysics
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.
Keywords
Cite
@article{arxiv.gr-qc/9602028,
title = {Kinetic theory for particle production},
author = {Josep Triginer and Winfried Zimdahl and Diego Pavon},
journal= {arXiv preprint arXiv:gr-qc/9602028},
year = {2009}
}
Comments
19 pages, Latex file, to appear in Class.Quantum Grav