The entropy of Hawking radiation

The entropy of Hawking radiation

In this review, recent progress on the black hole information problem that involves a new understanding of how to calculate the entropy of Hawking radiation is described. The review shows how the method for computing gravitational fine-grained entropy, developed over the past 15 years, can be extend...

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Veröffentlicht in:Reviews of modern physics 2021-07, Vol.93 (3), p.1, Article 035002
Hauptverfasser: Almheiri, Ahmed, Hartman, Thomas, Maldacena, Juan, Shaghoulian, Edgar, Tajdini, Amirhossein
Format: Artikel
Sprache:eng
Schlagworte:
Black holes
Entropy
Hawking radiation
NUCLEAR PHYSICS AND RADIATION PHYSICS
Quantum aspects of black holes
Quantum fields in curved spacetime
Quantum gravity
Radiation
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Zusammenfassung:In this review, recent progress on the black hole information problem that involves a new understanding of how to calculate the entropy of Hawking radiation is described. The review shows how the method for computing gravitational fine-grained entropy, developed over the past 15 years, can be extended to capture the entropy of Hawking radiation. This technique reveals large corrections needed for the entropy to be consistent with unitary black hole evaporation.
ISSN:0034-6861
1539-0756
DOI:10.1103/RevModPhys.93.035002