Quasi-Normal Modes of Brane-Localised Standard Model Fields

Details Quasi-Normal Modes of Brane-Localised Standard Model Fields Quasi-Normal Modes of Brane-Localised Standard Model Fields

2005-12-20

arxiv.org/abs/hep-th/0512257v2

Phys.Rev.D73:044002,2006

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, 4 figures, to be published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.73.044002

We present here a detailed study of the quasi-normal spectrum of brane-localised Standard Model fields in the vicinity of D-dimensional black-holes. A variety of such backgrounds (Schwarzschild, Reissner-Nordstrom and Schwarzszchild-(Anti) de Sitter) are investigated. The dependence of the quasi-normal spectra on the dimensionality D, spin of the field s, and multipole number l is analyzed. Analytical formulae are obtained for a number of limiting cases: in the limit of large multipole number for Schwarzschild, Schwarzschild-de Sitter and Reissner-Nordstrom black holes, in the extremal limit of the Schwarzschild-de Sitter black hole, and in the limit of small horizon radius in the case of Schwarzschild-Anti de Sitter black holes. We show that an increase in the number of hidden, extra dimensions results in the faster damping of all fields living on the brane, and that the localization of fields on a brane affects the QN spectrum in a number of additional ways, both direct and indirect.

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