Comment on Kaluza-Klein Spectrum of Gauge Fields in the Bigravity Model

Motoi Tachibana

Comment on Kaluza-Klein Spectrum of Gauge Fields in the Bigravity Model

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arxiv hep-th/0105180 v1 pith:6UPKZER6 submitted 2001-05-18 hep-th

Motoi Tachibana This is my paper · ORCID

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keywords kaluza-kleinspectrumbigravitybulkgaugemodelmodesbehavior

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abstract

We study behavior of bulk gauge field in the bigravity model in which two positive tension $AdS_4$ branes in $AdS_5$ 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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