Irrotational Bianchi V Viscous Fluid Cosmology with Heat Flux

Abstract

The irrotational Bianchi V cosmological model under the influence of both shear and bulk viscosity, together with heat flux, has been studied. Exact solutions for the model are obtained with three physically viable assumptions. The first two relate the matter density, shear scalar, and expansion scalar and the third is a barotropic equation of state, connecting the matter density and thermodynamic pressure. The properties of the solutions are studied and the temperature distribution is also presented explicitly. It has been observed that along with the viscosity, heat flux further adds to the rate of entropy increase.

9 pages

References in corpus (4)

• Bianchi type I cosmological model with a viscous fluid
• Bianchi Type-II Cosmological Model with Viscous Fluid
• Bianchi VI0 viscous fluid cosmology with magnetic field
• Cosmological solutions of the Einstein equation with heat flow

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• Phase space analysis of Bianchi III Universe with $f(R,T)$ gravity theory