PIRSA:09010023 Conference Quantum Gravity Quantum Fields and Strings

DOI10.48660/09010023

Conference/School: Black Holes and Quantum Physics - 2009

Sorkin, R. (2009). Ten Theses on Black Hole Entropy. Perimeter Institute. https://pirsa.org/09010023

Sorkin, Rafael. Ten Theses on Black Hole Entropy. Perimeter Institute, Jan. 23, 2009, https://pirsa.org/09010023 

@misc{ pirsa_PIRSA:09010023,
  doi = {10.48660/09010023},
  url = {https://pirsa.org/09010023},
  author = {Sorkin, Rafael},
  keywords = {Quantum Gravity, Quantum Fields and Strings},
  language = {en},
  title = {Ten Theses on Black Hole Entropy},
  publisher = {Perimeter Institute},
  year = {2009},
  month = {jan},
  note = {PIRSA:09010023 see, \url{https://pirsa.org}}
}

Abstract

I present a viewpoint on black hole thermodynamics according to which the entropy: derives from horizon 'degrees of freedom''; is finite because the deep structure of spacetime is discrete; is ``objective'' thanks to the distinguished coarse graining provided by the horizon; and obeys the second law of thermodynamics precisely because the effective dynamics of the exterior region is not unitary.

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