The Effectiveness of D-branes in the Description of Near-Extremal Black Holes

Details The Effectiveness of D-branes in the Description of Near-Extremal Black Holes The Effectiveness of D-branes in the Description of Near-Extremal Black Holes

1997-03-21

arxiv.org/abs/hep-th/9703146v2

Phys.Rev. D56 (1997) 3582-3590

Physics

High Energy Physics

High Energy Physics - Theory

harvmac,22 pages. Additional comments about significance of loop corrections, minor revisions and added references

Scientific paper

10.1103/PhysRevD.56.3582

It is known that weak coupling calculations of absorption or emission by slightly non-extremal D-brane configurations are in exact agreement with semiclassical results for the black holes they describe at strong couplings. We investigate one open string loop corrections to processes involving single and parallel D-branes and show that a class of relevant terms vanish, indicating that these processes are not renormalized. Our results have implications for five dimensional black holes and extremal 3-branes.

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