Anisotropy and inflation in Bianchi I brane worlds

Details Anisotropy and inflation in Bianchi I brane worlds Anisotropy and inflation in Bianchi I brane worlds

2003-03-25

arxiv.org/abs/gr-qc/0303096v2

Class.Quant.Grav. 21 (2004) 823-830

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, improved discussion on the likeliness of non-isotropization, completed list of references, matches version to appear

Scientific paper

10.1088/0264-9381/21/4/005

After a more general assumption on the influence of the bulk on the brane, we extend some conclusions by Maartens et al. and Santos et al. on the asymptotic behavior of Bianchi I brane worlds. As a consequence of the nonlocal anisotropic stresses induced by the bulk, in most of our models, the brane does not isotropize and the nonlocal energy does not vanish in the limit in which the mean radius goes to infinity. We have also found the intriguing possibility that the inflation due to the cosmological constant might be prevented by the interaction with the bulk. We show that the problem for the mean radius can be completely solved in our models, which include as particular cases those in the references above.

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