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Title: Modulated Hawking radiation and a nonviolent channel for information release

Abstract

The unitarization of black hole evaporation requires that quantum information escapes a black hole; an important question is to identify the mechanism or channel by which it does so. Accurate counting of black hole states via the Bekenstein–Hawking entropy would indicate this information should be encoded in radiation with average energy flux matching Hawking’s. Information can be encoded with no change in net flux via fine-grained modulation of the Hawking radiation. In an approximate effective field theory description, couplings to the stress tensor of the black hole atmosphere that depend on the internal state of the black hole are a promising alternative for inducing such modulation. These can be picturesquely thought of as due to state-dependent metric fluctuations in the vicinity of the horizon. Such couplings offer the prospect of emitting information without extra energy flux, and can be shown to do so at linear order in the couplings, with motivation given for possible extension of this result to higher orders. The potential advantages of such couplings to the stress tensor thus extend beyond their universality, which is helpful in addressing constraints from black hole mining.

Authors:
Publication Date:
Research Org.:
Univ. of California, Santa Barbara, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1198413
Alternate Identifier(s):
OSTI ID: 1221967
Grant/Contract Number:  
FG02-91ER40618; FQXi-RFP3-1330; SC0011702
Resource Type:
Published Article
Journal Name:
Physics Letters. B
Additional Journal Information:
Journal Name: Physics Letters. B Journal Volume: 738 Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Country of Publication:
Netherlands
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS

Citation Formats

Giddings, Steven B. Modulated Hawking radiation and a nonviolent channel for information release. Netherlands: N. p., 2014. Web. doi:10.1016/j.physletb.2014.08.070.
Giddings, Steven B. Modulated Hawking radiation and a nonviolent channel for information release. Netherlands. https://doi.org/10.1016/j.physletb.2014.08.070
Giddings, Steven B. Sat . "Modulated Hawking radiation and a nonviolent channel for information release". Netherlands. https://doi.org/10.1016/j.physletb.2014.08.070.
@article{osti_1198413,
title = {Modulated Hawking radiation and a nonviolent channel for information release},
author = {Giddings, Steven B.},
abstractNote = {The unitarization of black hole evaporation requires that quantum information escapes a black hole; an important question is to identify the mechanism or channel by which it does so. Accurate counting of black hole states via the Bekenstein–Hawking entropy would indicate this information should be encoded in radiation with average energy flux matching Hawking’s. Information can be encoded with no change in net flux via fine-grained modulation of the Hawking radiation. In an approximate effective field theory description, couplings to the stress tensor of the black hole atmosphere that depend on the internal state of the black hole are a promising alternative for inducing such modulation. These can be picturesquely thought of as due to state-dependent metric fluctuations in the vicinity of the horizon. Such couplings offer the prospect of emitting information without extra energy flux, and can be shown to do so at linear order in the couplings, with motivation given for possible extension of this result to higher orders. The potential advantages of such couplings to the stress tensor thus extend beyond their universality, which is helpful in addressing constraints from black hole mining.},
doi = {10.1016/j.physletb.2014.08.070},
journal = {Physics Letters. B},
number = C,
volume = 738,
place = {Netherlands},
year = {Sat Nov 01 00:00:00 EDT 2014},
month = {Sat Nov 01 00:00:00 EDT 2014}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1016/j.physletb.2014.08.070

Citation Metrics:
Cited by: 26 works
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