On asymptotic behavior of anisotropic Dvali-Gabadadze-Porrati branes

Details On asymptotic behavior of anisotropic Dvali-Gabadadze-Porrati branes On asymptotic behavior of anisotropic Dvali-Gabadadze-Porrati branes

2006-06-09

arxiv.org/abs/gr-qc/0606041v1

Class.Quant.Grav.23:4847-4851,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, 1 figure, accepted for publication in Class. Quantum Grav

Scientific paper

10.1088/0264-9381/23/15/005

The braneworld model of Dvali-Gabadadze-Porrati (DGP) provides an interesting alternative to a positive cosmological constant by modifying gravity at large distances. We investigate the asymptotic behavior of homogeneous and anisotropic cosmologies on the DGP brane. It is shown that all Bianchi models except type IX isotropize, as in general relativity, if the so called $E_{\mu\nu}$ term satisfies some energy condition. Isotropization can proceed slower in DGP gravity than in general relativity.

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