Generation of Bianchi Type V String Cosmological Models with Bulk Viscosity

Details Generation of Bianchi Type V String Cosmological Models with Bulk Viscosity Generation of Bianchi Type V String Cosmological Models with Bulk Viscosity

2009-12-24

arxiv.org/abs/0912.4801v2

Rom. Rep. Phys. 63: 862 - 878, 2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages, 3 figures, Typose removed, To appear in Rom. Rep. Physics

Scientific paper

Bianchi type V string cosmological models with bulk viscosity for massive string are investigated. The bulk viscosity is assumed to vary with time in such a manner that it is related to simple power function of the energy density. Using generation technique (Camci~et~al., 2001), it is shown that Einstein's field equations are solvable for any arbitrary cosmic scale function. Solution for particular form of cosmic scale functions are also obtained. It is found that solutions based on generation technique are relevant to the observational results. Some physical and geometrical aspect of the models are also discussed.

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