Graviton localization and Newton's law for brane models with a non-minimally coupled bulk scalar field

Details Graviton localization and Newton's law for brane models with a non-minimally coupled bulk scalar field Graviton localization and Newton's law for brane models with a non-minimally coupled bulk scalar field

2007-05-16

arxiv.org/abs/0705.2364v2

Phys.Rev.D76:064025,2007

Physics

High Energy Physics

High Energy Physics - Theory

17 pages, revised version

Scientific paper

10.1103/PhysRevD.76.064025

Brane world models with a non-minimally coupled bulk scalar field have been studied recently. In this paper we consider metric fluctuations around an arbitrary gravity-scalar background solution, and we show that the corresponding spectrum includes a localized zero mode which strongly depends on the profile of the background scalar field. For a special class of solutions, with a warp factor of the RS form, we solve the linearized Einstein equations, for a point-like mass source on the brane, by using the brane bending formalism. We see that general relativity on the brane is recovered only if we impose restrictions on the parameter space of the models under consideration.

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