Brane-World Cosmology, Bulk Scalars and Perturbations

Details Brane-World Cosmology, Bulk Scalars and Perturbations Brane-World Cosmology, Bulk Scalars and Perturbations

2001-08-29

arxiv.org/abs/hep-th/0108215v1

JHEP 0110 (2001) 026

Physics

High Energy Physics

High Energy Physics - Theory

29 pages, one figure, JHEP3-style

Scientific paper

10.1088/1126-6708/2001/10/026

We investigate aspects of cosmology in brane world theories with a bulk scalar field. We concentrate on a recent model motivated from supergravity in singular spaces. After discussing the background evolution of such a brane-world, we present the evolution of the density contrast. We compare our results to those obtained in the (second) Randall-Sundrum scenario and usual 4D scalar-tensor theories.

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