Emissivities for the various Graviton Modes in the Background of the Higher-Dimensional Black Hole
arXiv:hep-th/0603224 · doi:10.1016/j.physletb.2006.05.043
Abstract
The Hawking emissivities for the scalar-, vector-, and tensor-mode bulk gravitons are computed in the full range of the graviton's energy by adopting the analytic continuation numerically when the spacetime background is -dimensional non-rotating black hole. The total emissivity for the gravitons is only 5.16% of that for the spin-0 field when there is no extra dimension. However, this ratio factor increases rapidly when the extra dimensions exist. For example, this factor becomes 147.7%, 595.2% and 3496% when the number of extra dimensions is 1, 2 and 6, respectively. This fact indicates that the Hawking radiation for the graviton modes becomes more and more significant and dominant with increasing the number of extra dimensions.
arXiv comment14 pages, 5 eps figures, V2: the incorrect multiplicities are corrected. PLB version
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