Immirzi parameter and quasinormal modes in four and higher spacetime dimensions |
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| Authors: | Xiang-Dong Zhang |
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| Affiliation: | 1. Department of Physics, South China University of Technology, Guangzhou 510641, China2. Institute for Quantum Gravity, University of Erlangen-Nürnberg, Staudtstraβe 7 / B2, 91058 Erlangen, Germany |
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| Abstract: | There is a one-parameter quantization ambiguity in loop quantum gravity, which is called the Immirzi parameter. In this paper, we fix this free parameter by considering the quasinormal mode spectrum of black holes in four and higher spacetime dimensions. As a consequence, our result is consistent with the Bekenstein–Hawking entropy of a black hole. Moreover, we also give a possible quantum gravity explanation of the universal ln 3 behavior of the quasinormal mode spectrum. |
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| Keywords: | Immirzi parameter quasinormal mode loop quantum gravity |
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