D-brane decay and Hawking Radiation

Details D-brane decay and Hawking Radiation D-brane decay and Hawking Radiation

1997-09-29

arxiv.org/abs/hep-th/9709206v2

Nucl.Phys.Proc.Suppl.68:119-127,1998

Physics

High Energy Physics

High Energy Physics - Theory

9 pages latex with espcrc. Based on talk given at STRINGS'97 held at Amsterdam, June, 1997. References added

Scientific paper

10.1016/S0920-5632(98)00146-7

Tree level decay amplitudes of near-BPS D-brane configurations are known to exactly reproduce Hawking radiation rates from corresponding black holes at low energies even though the brane configurations describe semiclassical black holes only when the open string couplings are large. We show that a large class of one (open string) loop corrections to emission processes from D-branes vanish at low energies and nonvanishing loop contributions have an energy dependence consistent with black hole answers, thus providing a justification for the agreement of the tree level results with semiclassical answers.

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