4.4 Article

Spatially Homogeneous Bianchi Type-I Universes with Variable G and Λ

Journal

INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
Volume 52, Issue 10, Pages 3737-3748

Publisher

SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10773-013-1678-0

Keywords

Bianchi type space-time; Bulk viscosity; Gravitational constant; Cosmological constant

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In this paper, we have studied the cosmological models of Bianchi type-I universes in a different basic form filled with bulk viscous fluid, in the presence of time-dependent gravitational as well as cosmological constants. A set of new exact cosmological solutions have been obtained in both full and truncated causal theories. These solutions are suitable for describing the evolution of the universe in its early stages. The physical and dynamical consequences have been discussed in detail.

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