Near Extremal Schwarzschild-de Sitter Black Hole Area Spectrum from Quasi-normal Modes

Abstract

Using the quasi-normal modes frequency of near extremal Schwarzschild-de Sitter black holes, we obtain area and entropy spectrum for black hole horizon. By using Boher-Sommerfeld quantization for an adiabatic invariant $I=\int \frac{dE}{\omega (E)}$, which $E$ is the energy of system and $\omega (E)$ is vibrational frequency, we leads to an equally spaced mass spectrum. In the other term we extend directly the Kunstatter's approach [7] to determine mass and entropy spectrum of near extremal Schwarzschild-de Sitter black holes which is asymptotically de Sitter rather than asymptotically flat.

7 pages, no figure

References in corpus (3)

• Non-Rotating BTZ Black Hole Area Spectrum from Quasi-normal Modes
• Area Spectrum of Extremal Reissner-Nordström Black Holes from Quasi-normal Modes
• Quasinormal modes prefer supersymmetry ?

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