New bulk scalar field solutions in brane worlds

Details New bulk scalar field solutions in brane worlds New bulk scalar field solutions in brane worlds

2004-10-04

arxiv.org/abs/hep-ph/0410025v1

JCAP 0411 (2004) 005

Physics

High Energy Physics

High Energy Physics - Phenomenology

4+\epsilon pages, no figures

Scientific paper

10.1088/1475-7516/2004/11/005

We use nonlinear perturbation theory to obtain new solutions for brane world models that incorporate a massive bulk scalar field. We then consider tensor perturbations and show that Newtonian gravity is recovered on the brane for both a light scalar field and for a bulk field with large negative mass. This latter result points to the viability of higher-derivative theories of gravity in the context of bulk extra dimensions.

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