Greybody Factors for Brane Scalar Fields in a Rotating Black-Hole Background

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dc.creatorCreek, S.
dc.creatorEfthimiou, O.
dc.creatorKanti, P.
dc.creatorTamvakis, K.
dc.date2007-01-31
dc.date2007-05-03
dc.date.accessioned2026-07-07T10:22:25Z
dc.date.available2026-07-07T10:22:25Z
dc.descriptionWe study the evaporation of (4+n)-dimensional rotating black holes into scalar degrees of freedom on the brane. We calculate the corresponding absorption probabilities and cross-sections obtaining analytic solutions in the low-energy regime, and compare the derived analytic expressions to numerical results, with very good agreement. We then consider the high-energy regime, construct an analytic high-energy solution to the scalar-field equation by employing a new method, and calculate the absorption probability and cross-section for this energy regime, finding again a very good agreement with the exact numerical results. We also determine the high-energy asymptotic value of the total cross-section, and compare it to the analytic results derived from the application of the geometrical optics limit.
dc.descriptionLatex file, 30 pages, 5 figures, typos corrected, version published in Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/hep-th/0701288
dc.identifierhttp://arxiv.org/abs/hep-th/0701288
dc.identifierPhys.Rev.D75:084043,2007
dc.identifierdoi:10.1103/PhysRevD.75.084043
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/175510
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.titleGreybody Factors for Brane Scalar Fields in a Rotating Black-Hole Background
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