Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-11-16
Phys.Rev.D75:024043,2007
Physics
High Energy Physics
High Energy Physics - Theory
a few typos corrected, accepted for publication in PRD
Scientific paper
10.1103/PhysRevD.75.024043
We calculate the gray-body factors for scalar, vector and graviton fields in the background of an exact black hole localized on a tensional 3-brane in a world with two large extra dimensions. Finite brane tension modifies the standard results for the case with of a black hole on a brane with negligible tension. For a black hole of a fixed mass, the power carried away into the bulk diminishes as the tension increases, because the effective Planck constant, and therefore entropy of a fixed mass black hole, increase. In this limit, the semiclassical description of black hole decay becomes more reliable.
Dai De-Chang
Kaloper Nemanja
Starkman Glenn D.
Stojkovic Dejan
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