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International Journal of Theoretical Physics

, Volume 52, Issue 10, pp 3737–3748 | Cite as

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

Article

Abstract

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.

Keywords

Bianchi type space-time Bulk viscosity Gravitational constant Cosmological constant 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.School of Applied Sciences, Netaji Subhash Institute of TechnologyUniversity of DelhiNew DelhiIndia

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