Comment on Kaluza-Klein Spectrum of Gauge Fields in the Bigravity Model
Abstract
We study behavior of bulk gauge field in the bigravity model in which two positive tension AdS4 branes in AdS5 bulk are included. We solve the equations of motions for Kaluza-Klein modes and determine the mass spectrum. It is shown that unlike the case of graviton, we find no ultralight Kaluza-Klein modes in the spectrum.
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