Tilted Bianchi Type V Bulk Viscous Cosmological Models with Varying $Λ$-Term

Details Tilted Bianchi Type V Bulk Viscous Cosmological Models with Varying $Λ$-Term Tilted Bianchi Type V Bulk Viscous Cosmological Models with Varying $Λ$-Term

2004-08-16

arxiv.org/abs/gr-qc/0408043v3

Rom. Rep. Phys. 59 (2007) 749-762

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages, no figures

Scientific paper

Conformally flat tilted Bianchi type V cosmological models in presence of a bulk viscous fluid and heat flow are investigated. The coefficient of bulk viscosity is assumed to be a power function of mass density. The cosmological constant is found to be a decreasing function of time, which is supported by results from recent type Ia supernovae observations. Some physical and geometric aspects of the models are also discussed.

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