Black hole quasinormal modes: hints of quantum gravity?

Abstract

This is a short review of the quasinormal mode spectrum of Schwarzschild, Reissner-Nordstrom and Kerr black holes. The summary includes previously unpublished calculations of i) the eigenvalues of spin-weighted spheroidal harmonics, and ii) quasinormal frequencies of extremal Reissner-Nordstrom black holes.

26 pages, 17 figures. To be published in the Proceedings of the Workshop on 'Dynamics and Thermodynamics of Black Holes and Naked Singularities' (Milan, May 2004)

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