LRS Bianchi Type-I Dark Energy Cosmological Models in General Scalar Tensor Theory of Gravitation | Zendy

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

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LRS Bianchi Type-I Dark Energy Cosmological Models in General Scalar Tensor Theory of Gravitation

Author(s) -

V. U. M. Rao,

D. Neelima

Publication year - 2013

Publication title -

isrn astronomy and astrophysics

Language(s) - English

Resource type - Journals

eISSN - 2090-4746

pISSN - 2090-4738

DOI - 10.1155/2013/174741

Subject(s) - dark energy , physics , scalar–tensor theory , equation of state , mathematical physics , gravitation , type (biology) , isotropy , tensor (intrinsic definition) , scalar (mathematics) , lambda cdm model , theoretical physics , cosmology , classical mechanics , astrophysics , quantum mechanics , geometry , biology , ecology , mathematics

Locally rotationally symmetric (LRS) Bianchi type-I dark energy cosmological model with variable equation of state (EoS) parameter in (Nordtvedt 1970) general scalar tensor theory of gravitation with the help of a special case proposed by (Schwinger 1970) is obtained. It is observed that these anisotropic and isotropic dark energy cosmological models always represent an accelerated universe and are consistent with the recent observations of type-Ia supernovae. Some important features of the models, thus obtained, have been discussed.

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