LRS Bianchi-I Anisotropic Cosmological Model with Dominance of Dark Energy

Details LRS Bianchi-I Anisotropic Cosmological Model with Dominance of Dark Energy LRS Bianchi-I Anisotropic Cosmological Model with Dominance of Dark Energy

2011-07-26

arxiv.org/abs/1107.5470v2

Astrophys. Space Sc. 337: 759-765 (2012)

Physics

General Physics

11 pages, 4 figures, Accepted for publication in Astrophysics and Space Science

Scientific paper

10.1007/s/10509-011-0861-0

The present study deals with spatially homogeneous and anisotropic locally rotationally symmetric (LRS) Bianchi type I cosmological model with dominance of dark energy. To get the deterministic model of Universe, we assume that the shear scalar $(\sigma)$ in the model is proportional to expansion scalar $(\theta)$. This condition leads to $A=B^{n}$, where $A$,\;$B$ are metric potential and $n$ is positive constant. It has been found that the anisotropic distribution of dark energy leads to the present accelerated expansion of Universe. The physical behavior of the Universe has been discussed in detail.

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