Bulk viscosity and deflationary universes

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We analyze the conditions that make possible the description of entropy generation in the new inflationary model by means of a nearequilibrium process. We show that there are situations in which the bulk viscosity cannot describe particle production during the coherent field oscillations phase.
7 pages, no figures

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Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/200739

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0708.3280
 http://arxiv.org/abs/0708.3280
 Rev.Bras.Fis.20:187-194,1990

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arXiv