Wave function of the radion in a brane world

Details Wave function of the radion in a brane world Wave function of the radion in a brane world

1999-12-17

arxiv.org/abs/hep-th/9912160v2

Phys.Rev. D62 (2000) 067505

Physics

High Energy Physics

High Energy Physics - Theory

5 pages revtex, no figures, equation corrected

Scientific paper

10.1103/PhysRevD.62.067505

We calculate the linearized metric perturbation corresponding to a massless four-dimensional scalar field, the radion, in a five-dimensional two-brane model of Randall and Sundrum. In this way we obtain relative strengths of the radion couplings to matter residing on each of the branes. The results are in agreement with the analysis of Garriga and Tanaka of gravitational and Brans--Dicke forces between matter on the branes. We also introduce a model with infinite fifth dimension and ``almost'' confined graviton, and calculate the radion properties in that model.

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