Inflation in Bianchi models and the cosmic no hair theorem in brane world

Details Inflation in Bianchi models and the cosmic no hair theorem in brane world Inflation in Bianchi models and the cosmic no hair theorem in brane world

2002-04-30

arxiv.org/abs/gr-qc/0204089v1

Phys.Rev. D66 (2002) 124019

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages, no figures, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.66.124019

In this paper, the cosmic no hair theorem for anisotropic Bianchi models which admit inflation with a scalar field is studied in the framework of Brane world. It is found that all Bianchi models except Bianchi type IX, transit to an inflationary regime with vanishing anisotropy. In the Brane world, anisotropic universe approaches the inflationary era much faster than that in the general theory of relativity. The form of the potential does not affect the evolution in the inflationary epoch. However, the late time behaviour is controlled by a constant additive factor in the potential for the inflaton field.

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