Some Bianchi Type Cosmological Models in f(R) Gravity

Details Some Bianchi Type Cosmological Models in f(R) Gravity Some Bianchi Type Cosmological Models in f(R) Gravity

2010-06-22

arxiv.org/abs/1006.4249v1

Astrophys. Space Sci.330:183-189, 2010; Astrophys.Space Sci.330:183-189,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, accepted for publication in Astrophys. Space Sci

Scientific paper

10.1007/s10509-010-0371-5

The modified theories of gravity, especially the f(R) gravity, have attracted much attention in the last decade. In this context, we study the exact vacuum solutions of Bianchi type I, III and Kantowski-Sachs spacetimes in the metric version of f(R) gravity. The field equations are solved by taking expansion scalar theta proportional to shear scalar sigma which gives A=B^n, where A and B are the metric coefficients. The physical behavior of the solutions has been discussed using some physical quantities. Also, the function of the Ricci scalar is evaluated in each case.

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