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  Black Holes as Quantum Gravity Condensates

Oriti, D., Pranzetti, D., & Sindoni, L. (2018). Black Holes as Quantum Gravity Condensates. Physical Review D, 97(6): 066017. doi:10.1103/PhysRevD.97.066017.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-628D-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-1ABB-0
Genre: Journal Article

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 Creators:
Oriti, Daniele1, Author              
Pranzetti, Daniele2, Author              
Sindoni, Lorenzo1, Author              
Affiliations:
1Microscopic Quantum Structure & Dynamics of Spacetime, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_67201              
2Microscopic Quantum Structure & Dynamics of Spacetime, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, 67201              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc,High Energy Physics - Theory, hep-th
 Abstract: We model spherically symmetric black holes within the group field theory formalism for quantum gravity via generalised condensate states, involving sums over arbitrarily refined graphs (dual to 3d triangulations). The construction relies heavily on both the combinatorial tools of random tensor models and the quantum geometric data of loop quantum gravity, both part of the group field theory formalism. Armed with the detailed microscopic structure, we compute the entropy associated with the black hole horizon, which turns out to be equivalently the Boltzmann entropy of its microscopic degrees of freedom and the entanglement entropy between the inside and outside regions. We recover the area law under very general conditions, as well as the Bekenstein-Hawking formula. The result is also shown to be generically independent of any specific value of the Immirzi parameter.

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 Dates: 2018-01-042018
 Publication Status: Published in print
 Pages: 22 pages
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1801.01479
URI: http://arxiv.org/abs/1801.01479
DOI: 10.1103/PhysRevD.97.066017
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 97 (6) Sequence Number: 066017 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258