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Brane-World Cosmology, Bulk Scalars and Perturbations

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.

preprint2001arXivOpen access
P. BraxC. van de BruckA. C. Davis
astro-phhep-phgr-qchep-th
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Open access3 authors4 topics
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P. BraxC. van de BruckA. C. Davis

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