Kantowski-Sachs String Cosmological Model with Bulk Viscosity in General Scalar Tensor Theory of Gravitation | Zendy

V. U. M. Rao | Zendy; D. Neelima | Zendy

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Kantowski-Sachs String Cosmological Model with Bulk Viscosity in General Scalar Tensor Theory of Gravitation

Author(s) -

V. U. M. Rao,

D. Neelima

Publication year - 2013

Publication title -

isrn mathematical analysis

Language(s) - English

Resource type - Journals

eISSN - 2090-4665

pISSN - 2090-4657

DOI - 10.1155/2013/759274

Subject(s) - physics , scalar–tensor theory , gravitation , isotropy , volume viscosity , scalar (mathematics) , string theory , theoretical physics , homogeneous , anisotropy , string (physics) , tensor (intrinsic definition) , cosmological model , universe , classical mechanics , mathematical physics , cosmology , viscosity , statistical physics , geometry , astrophysics , quantum mechanics , mathematics

A new class of spatially homogeneous Kantowski-Sachs string cosmological models with bulk viscosity in Nordtvedt (1970) general scalar-tensor theory of gravitation with the help of a special case proposed by Schwinger (1970) is obtained. In this paper we have presented anisotropic as well as isotropic cosmological models. Some important features of the models, thus obtained, have been discussed. These exact models are new and more general and represent not only the early stages of evolution but also the present universe.

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