Wave function of the radion in a brane world
Abstract
We calculate the linearized metric perturbation corresponding to a massless fourdimensional scalar field, the radion, in a fivedimensional twobrane model of Randall and Sundrum. In this way we obtain the 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 BransDicke forces between matter on the branes. We also introduce a model with an infinite fifth dimension and ``almost'' confined graviton, and calculate the radion properties in that model.
 Publication:

Physical Review D
 Pub Date:
 September 2000
 DOI:
 10.1103/PhysRevD.62.067505
 arXiv:
 arXiv:hepth/9912160
 Bibcode:
 2000PhRvD..62f7505C
 Keywords:

 04.50.+h;
 11.25.Mj;
 Gravity in more than four dimensions KaluzaKlein theory unified field theories;
 alternative theories of gravity;
 Compactification and fourdimensional models;
 High Energy Physics  Theory;
 General Relativity and Quantum Cosmology
 EPrint:
 5 pages revtex, no figures, equation corrected