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Comment on "The black hole final state"

Gottesman, Daniel and Preskill, John (2004) Comment on "The black hole final state". Journal of High Energy Physics, 2004 (3). Art. No. 026. ISSN 1126-6708. http://resolver.caltech.edu/CaltechAUTHORS:GOTjhep04

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Abstract

Horowitz and Maldacena have suggested that the unitarity of the black hole S-matrix can be reconciled with Hawking's semiclassical arguments if a final-state boundary condition is imposed at the spacelike singularity inside the black hole. We point out that, in this scenario, departures from unitarity can arise due to interactions between the collapsing body and the infalling Hawking radiation inside the event horizon. The amount of information lost when a black hole evaporates depends on the extent to which these interactions are entangling.


Item Type:Article
Additional Information:Copyright © SISSA 2004. Received 5 March 2004, accepted for publication 8 March 2004. Published 10 March 2004. We are grateful to Ben Schumacher and Charles Bennett for telling us about their work on "conditional quantum time travel." We also thank Dave Bacon, Patrick Hayden, Gary Horowitz, and Juan Maldacena for helpful discussions and correspondence. This work has been supported in part by the Department of Energy under Grant No. DE-FG03-92-ER40701, by the National Science Foundation under Grant No. EIA-0086038, and by the Caltech MURI Center for Quantum Networks under ARO Grant No. DAAD19-00-1-0374.
Subject Keywords:black holes in string theory; black holes
Record Number:CaltechAUTHORS:GOTjhep04
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:GOTjhep04
Alternative URL:http://dx.doi.org/10.1088/1126-6708/2004/03/026
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3656
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:24 Jun 2006
Last Modified:29 Aug 2014 14:38

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