Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2011-02-25
Gen. Relativ. Gravit., 43, 797 (2011)
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
Scientific paper
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.
Cai Qing-yu
You Liangzhi
Zhan Ming-sheng
Zhang Baocheng
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