Brane World Cosmology with Gauss-Bonnet Interaction

Details Brane World Cosmology with Gauss-Bonnet Interaction Brane World Cosmology with Gauss-Bonnet Interaction

2001-10-16

arxiv.org/abs/hep-th/0110143v1

Phys.Rev. D65 (2002) 084018

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, revtex style

Scientific paper

10.1103/PhysRevD.65.084018

We study a Randall-Sundrum model modified by a Gauss-Bonnet interaction term. We consider, in particular, a Friedmann-Robertson-Walker metric on the brane and analyse the resulting cosmological scenario. It is shown that the usual Friedmann equations are recovered on the brane. The equation of state relating the enery density and the pressure is uniquely determined by the matching conditions. A cosmological solution with negative pressure is found.

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