Graviphoton and graviscalars delocalization in braneworld scenarios

Details Graviphoton and graviscalars delocalization in braneworld scenarios Graviphoton and graviscalars delocalization in braneworld scenarios

2001-11-23

arxiv.org/abs/hep-th/0111218v1

Physics

High Energy Physics

High Energy Physics - Theory

Talk delivered at COSMO-01 Workshop, Rovaniemi, Finland, August 30 - September 4, 2001. 14 pages, LaTeX

Scientific paper

A manifestly gauge-invariant theory of gravitational fluctuations of brane-world scenarios is discussed. Without resorting to any specific gauge choice, a general method is presented in order to disentangle the fluctuations of the brane energy-momentum from the fluctuations of the metric. As an application of the formalism, the localization of metric fluctuations on scalar branes breaking spontaneously five-dimensional Poincar\'e invariance is addressed. Only assuming that the four-dimensional Planck mass is finite and that the geometry is regular, it is demonstrated that the vector and scalar fluctuations of the metric are not localized on the brane.

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