An interpretation for the entropy of a black hole |
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| Authors: | Baocheng Zhang Qing-yu Cai Ming-sheng Zhan Li You |
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| Affiliation: | 1.State Key Laboratory of Magnetic Resonances and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics,Chinese Academy of Sciences,Wuhan,China;2.Graduate University of Chinese Academy of Sciences,Beijing,China;3.Center for Cold Atom Physics,Chinese Academy of Sciences,Wuhan,China;4.Department of Physics,Tsinghua University,Beijing,China |
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| Abstract: | We investigate the meaning of the entropy carried away by Hawking radiations from a black hole. We propose that the entropy for a black hole measures the uncertainty of the information about the black hole forming matter’s precollapsed configurations, self-collapsed configurations, and inter-collapsed configurations. We find that gravitational wave or gravitational radiation alone cannot carry all information about the processes of black hole coalescence and collapse, while the total information locked in the hole could be carried away completely by Hawking radiation as tunneling. |
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