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Can Black Hole Relax Unitarily? | | Sergey N. Solodukhin
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15 Jun 2004 | | Subject: | High Energy Physics - Theory; Statistical Mechanics | hep-th cond-mat.stat-mech gr-qc | | Abstract: | We review the way the BTZ black hole relaxes back to thermal equilibrium after a small perturbation and how it is seen in the boundary (finite volume) CFT. The unitarity requires the relaxation to be quasi-periodic. It is preserved in the CFT but is not obvious in the case of the semiclassical black hole the relaxation of which is driven by complex quasi-normal modes. We discuss two ways of modifying the semiclassical black hole geometry to maintain unitarity: the (fractal) brick wall and the worm-hole modification. In the latter case the entropy comes out correctly as well. | | Source: | arXiv, hep-th/0406130 | | Services: | Forum | Review | PDF | Favorites | |
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