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Curvature in causal BD-type inflationary cosmology

Authors:	Francisco?Pe?a,Mauricio?Cataldo,Sergio?del?Campo author-information" > author-information__contact u-icon-before" > mailto:sdelcamp@ucv.cl" title=" sdelcamp@ucv.cl" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author

Affiliation:	(1) Departamento de Ciencias Físicas, Facultad de Ingeniería, Ciencias y Administración, Universidad de la Frontera, Avda. Francisco Salazar 01145, Casilla 54-D, Temuco, Chile;(2) Departamento de Física, Facultad de Ciencias, Universidad del Bío Bío, Av. Collao 1202, Casilla 5-C, Concepción, Chile;(3) Instituto de Física, Pontificia Universidad Católica de Valparaíso, Av Brasil 2950, Valparaíso, Chile

Abstract:	We study a closed model of the universe filled with viscous fluid and quintessence matter components in a Brans-Dicke type cosmological model. The dynamical equations imply that the universe may look like an accelerated flat Friedmann-Robertson-Walker universe at low redshift. We consider here dissipative processes which follow a causal thermodynamics. The theory is applied to viscous fluid inflation, where accepted values for the total entropy in the observable universe are obtained.

Keywords:	Inflationary cosmology Brans-Dicke theory Viscous fluid Quintessence
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