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 assumptions of which 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 given explicitly. It has been observed that along with the viscosity, heat flux further adds to the rate of entropy increase.
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Banerjee, A., Sanyal, A.K. Irrotational Bianchi V viscous fluid cosmology with heat flux. Gen Relat Gravit 20, 103–113 (1988). https://doi.org/10.1007/BF00759320
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DOI: https://doi.org/10.1007/BF00759320