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Islands in the stream of Hawking radiation

Timothy Hollowood Orcid Logo, Prem Kumar Orcid Logo, Andrea Legramandi, Neil Talwar

Journal of High Energy Physics, Volume: 2021, Issue: 11

Swansea University Authors: Timothy Hollowood Orcid Logo, Prem Kumar Orcid Logo, Andrea Legramandi, Neil Talwar

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Abstract

We consider the island formula for the entropy of subsets of the Hawking radiation in the adiabatic limit where the black hole evaporation is very slow. We find a simple concrete ‘on-shell’ formula for the generalized entropy which involves the image of the island out in the stream of radiation, the...

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Published in: Journal of High Energy Physics
ISSN: 1029-8479
Published: Springer Science and Business Media LLC 2021
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa58008
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Abstract: We consider the island formula for the entropy of subsets of the Hawking radiation in the adiabatic limit where the black hole evaporation is very slow. We find a simple concrete ‘on-shell’ formula for the generalized entropy which involves the image of the island out in the stream of radiation, the ‘island in the stream’. The resulting recipe for the entropy allows us to calculate the quantum information properties of the radiation and verify various constraints including the Araki-Lieb inequality and strong subadditivity.
Keywords: Black Holes; 2D Gravity
College: College of Science
Funders: STFC grant ST/T000813/1; STFC Studentship
Issue: 11