The spectrum of rotating black holes and its implications for Hawking radiation

doi:10.1088/0264-9381/22/2/015

The spectrum of rotating black holes and its implications for Hawking radiation

Saurya Das et al 2005 Class. Quantum Grav. 22 453-465 doi: 10.1088/0264-9381/22/2/015

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Saurya Das¹, Himan Mukhopadhyay^2,3 and P Ramadevi²
¹ Department of Physics, University of Lethbridge, 4401 University Drive, Lethbridge, Alberta T1K 3M4, Canada
² Department of Physics, Indian Institute of Technology Bombay, Mumbai-400 076, India
³ Current e-mail address: himan@iucaa.ernet.in
E-mail: saurya.das@uleth.ca, himan@phys.iitb.ac.in and ramadevi@phys.iitb.ac.in

Abstract. The reduced phase space formalism for quantizing black holes has recently been extended to find the area and angular momentum spectra of four-dimensional Kerr black holes. We extend this further to rotating black holes in all spacetime dimensions and show that although as in four dimensions the spectrum is discrete, it is not equispaced in general. As a result, Hawking radiation spectra from these black holes are continuous, as opposed to the discrete spectrum predicted for four-dimensional black holes.

PACS numbers: 04.60.−m, 04.70.−s, 04.70.Dy

Print publication: Issue 2 (21 January 2005)
Received 3 October 2004, in final form 3 December 2004
Published 3 January 2005

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