D-dimensional Randall-Sundrum models from Brans-Dicke theory and Kaluza-Klein modes

Details D-dimensional Randall-Sundrum models from Brans-Dicke theory and Kaluza-Klein modes D-dimensional Randall-Sundrum models from Brans-Dicke theory and Kaluza-Klein modes

2008-12-09

arxiv.org/abs/0812.1621v3

New J. Phys. 12 053038 , 2010

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 5 figures. Fig. 5 was corrected. We added new physical discussions

Scientific paper

10.1088/1367-2630/12/5/053038

We investigate the spectroscopy of scalar and vector Kaluza-Klein modes that arise in a deformed Randall-Sundrum model that is constructed from Brans-Dicke theory. The non-minimal coupling in the Brans Dicke theory translates into a deformation of the Randall-Sundrum geometry that depends on the Brans-Dicke parameter $\omega$. We find that the $\omega$ parameter has a non-trivial effect in the spectroscopy of scalar and vector Kaluza-Klein modes. Our results suggest the interpretation of $\omega$ as a fine-tuning parameter.

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