Brane-cosmology dynamics with induced gravity

Details Brane-cosmology dynamics with induced gravity Brane-cosmology dynamics with induced gravity

2003-08-14

arxiv.org/abs/gr-qc/0308046v2

Gen.Rel.Grav.36:747-766,2004

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

14 pages, 25 eps figures, higher-resolution figures can be obtained from the author. Minor corrections. To appear in Gen.Rel.G

Scientific paper

10.1023/B:GERG.0000016922.72972.

The Friedmann equations for a brane with induced gravity are analyzed and compared with the standard general relativity and Randall-Sundrum cases. Randall-Sundrum gravity modified the early universe dynamics, whereas induced gravity changes the late universe evolution. The early and late time limits are investigated. Induced gravity effects can contribute to late-universe acceleration. This conditions for this are found. Qualitative analysis is given for a range of scalar field potentials.

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