paper

Quasi-normal modes and Microscopic Structure of the Schwarzschild Black Hole

arXiv:2109.10744 · doi:10.1103/PhysRevD.104.L121502

Abstract

Maggiore observed that, in the high-damping regime, the quasi-normal modes spectrum for the Schwarzschild black hole resembles that of a quantum harmonic oscillator. Motivated by this observation, we describe a black hole as a statistical ensemble of N quantum harmonic oscillators. By working in the canonical ensemble, we show that, in the large-mass black hole limit, the leading contribution to the Gibbs entropy is the Bekenstein-Hawking term, while the subleading one is a logarithmic correction, in agreement with several results in the literature. We also find that the number of oscillators scales holographically with the area of the event horizon.

arXiv comment4 pages, no figures, Revised version: references added

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