Title

Hawking radiation by Kerr black holes and conformal symmetry

Document Type

Article

Publication Date

11-19-2010

Abstract

The exponential blueshift associated with the event horizon of a black hole makes conformal symmetry play a fundamental role in accounting for its thermal properties. Using a derivation based on two-point functions, we show that the full spectrum of thermal radiation of scalar particles by Kerr black holes can be explicitly derived on the basis of a conformal symmetry arising in the wave equation near the horizon. The simplicity of our approach emphasizes the depth of the connection between conformal symmetry and black hole radiance. © 2010 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review Letters

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