Are there hyperentropic objects ?

Details Are there hyperentropic objects ? Are there hyperentropic objects ?

2004-10-10

arxiv.org/abs/hep-th/0410106v1

Phys.Rev. D70 (2004) 121502

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 4 pages

Scientific paper

10.1103/PhysRevD.70.121502

By treating the Hawking radiation as a system in thermal equilibrium, Marolf and R. Sorkin have argued that hyperentropic objects (those violating the entropy bounds) would be emitted profusely with the radiation, thus opening a loophole in black hole based arguments for such entropy bounds. We demonstrate, on kinetic grounds, that hyperentropic objects could only be formed extremely slowly, and so would be rare in the Hawking radiance, thus contributing negligibly to its entropy. The arguments based on the generalized second law of thermodynamics then rule out weakly self-gravitating hyperentropic objects and a class of strongly self-gravitating ones.

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