BH5 - Black hole thermodynamics |
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Speaker |
Viaggiu, Stefano |
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| Talk Title |
Statistical Description Of Black Hole Entropy In Terms Of Trapped Gravitons And Its Physical Consequences |
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Abstract |
In this talk we depict the well known Schwarzschild black hole entropy in terms of trapped gravitons within the event horizon. A discrete spectrum for the so trapped gravitons is obtained and used to calculate thermodynamic quantities. The semi-classical expression for the black hole entropy is obtained with a temperature proportional to the usual Bekenstein-Hawking one and as a result a pressure term arises in the first law of thermodynamic. My approach is an attempt do obtain the semi-classical black hole entropy in terms of degrees of freedom stored inside (but 'near') the event horizon. Moreover, it is also shown that by modifying the internal energy by a term motivated by quantum Planckian fluctuations, a phase transition emerges during evaporation process with a vanishing specific heat at Planckian scales, thus representing the end of the evaporation process. |
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