Journal
EPL
Volume 96, Issue 1, Pages -Publisher
EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
DOI: 10.1209/0295-5075/96/10007
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Funding
- Coordenacao de Aperfeicoamento de Pessoal de Ensino Superior-CAPES (Brazil)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico - CNPQ (Brazil)
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A model based on the topology change of a quantum manifold is used to explain the origin of the black-hole thermodynamics. We show that this model can explain the origin of the black-hole entropy, and why black-hole obey a generalized second law of thermodynamics. The method we use to do this is to analyze the selection rules for black-hole area transitions in the evaporation process driven by topology change. A discrete spectrum, which become increasingly spaced as the black hole approaches the Planck scale, is obtained for the black-hole area. As a striking consequence, as the lines of the area spectrum become more and more spaced, the black-hole radiation becomes less and less entropic. This result points to the possibility that some information about the black-hole initial quantum state can be recovered as it evaporates.
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