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arxiv: gr-qc/0211076 · v1 · submitted 2002-11-24 · 🌀 gr-qc

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Quasinormal Modes, the Area Spectrum, and Black Hole Entropy

Olaf Dreyer
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classification 🌀 gr-qc
keywords blackholeentropygravityconcerninggroupparameterquantum
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The results of canonical quantum gravity concerning geometric operators and black hole entropy are beset by an ambiguity labelled by the Immirzi parameter. We use a result from classical gravity concerning the quasinormal mode spectrum of a black hole to fix this parameter in a new way. As a result we arrive at the Bekenstein - Hawking expression of $A/4 l_P^2$ for the entropy of a black hole and in addition see an indication that the appropriate gauge group of quantum gravity is SO(3) and not its covering group SU(2).

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Cited by 5 Pith papers

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