Abstract
The spectroscopy of a weakly isolated horizon has been investigated. We obtain an equally spaced entropy spectrum with its quantum equal to the one given by Bekenstein (Phys Rev D 7:2333, 1973). We demonstrate that the quantization of entropy and area is a generic property of horizons which exists in a wide class of spacetimes admitting weakly isolated horizons. Our method based on the tunneling method also indicates that the entropy quantum of black hole horizons is closely related to Hawking temperature.
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This work is supported by National Natural Science Foundation of China (Nos. 11275017 and 11173028).
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Chen, GR., Huang, YC. Spectroscopy of a weakly isolated horizon. Gen Relativ Gravit 48, 79 (2016). https://doi.org/10.1007/s10714-016-2077-7
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DOI: https://doi.org/10.1007/s10714-016-2077-7