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arXiv · 0709.0241

Scalar Emission in the Bulk in a Rotating Black Hole Background

S. Creek·O. Efthimiou·P. Kanti·K. Tamvakis
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Abstract

We study the emission of scalars into the bulk from a higher-dimensional rotating black hole. We obtain an analytic solution to the field equation by employing matching techniques on expressions valid in the near-horizon and far-field regimes. Both analytic and numerical results for the absorption probability, in the low-energy and low-angular momentum limit, are derived and found to be in excellent agreement. We also compute the energy emission rate, and show that the brane-to-bulk ratio of the energy emission rates for scalar fields remains always larger than unity in the aforementioned regime.

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S. Creek, O. Efthimiou, P. Kanti, K. Tamvakis. 2007-10-25. Scalar Emission in the Bulk in a Rotating Black Hole Background. https://doi.org/10.1016/j.physletb.2007.09.050

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