Localization of Kaluza-Klein gauge fields on a brane

Abstract

In phenomenological models with extra dimensions there is a natural symmetry group associated to a brane universe, -- the group of rotations of normal bundle of the brane. We consider Kaluza-Klein gauge fields corresponding to this group and show that they can be localized on the brane in models with warped extra dimensions. These gauge fields are coupled to matter fields which have nonzero rotation moment around the brane. In a particular example of a four-dimensional brane embedded into six-dimensional asymptotically anti-deSitter space, we calculate effective four-dimensional coupling constant between the localized fermion zero modes and the Kaluza-Klein gauge field.

14 pages, 1 figure

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• On Metric Perturbations in Brane-World Scenarios
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