Quasinormal modes of the near extremal Schwarzschild-de Sitter black hole

Details Quasinormal modes of the near extremal Schwarzschild-de Sitter black hole Quasinormal modes of the near extremal Schwarzschild-de Sitter black hole

2003-01-21

arxiv.org/abs/gr-qc/0301078v2

Phys.Rev.D67:084020,2003

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

REVTEX4, 4 pages. Minor improvements and references added

Scientific paper

10.1103/PhysRevD.67.084020

We present an exact expression for the quasinormal modes of scalar, electromagnetic and gravitational perturbations of a near extremal Scwarzschild-de Sitter black hole and we show why a previous approximation holds exactly in this near extremal regime. In particular, our results give the asymptotic behavior of the quasinormal frequencies for highly damped modes, which as recently attracted much attention due to the proposed identification of its real part with the Barbero-Immirzi parameter.

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