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Title: On information loss in AdS3/CFT2

Abstract

We discuss information loss from black hole physics in AdS3, focusing on two sharp signatures infecting CFT2 correlators at large central charge c: ‘forbidden singularities’ arising from Euclidean-time periodicity due to the effective Hawking temperature, and late-time exponential decay in the Lorentzian region. We study an infinite class of examples where forbidden singularities can be resolved by non-perturbative effects at finite c, and we show that the resolution has certain universal features that also apply in the general case. Analytically continuing to the Lorentzian regime, we find that the non-perturbative effects that resolve forbidden singularities qualitatively change the behavior of correlators at times t ~SBH, the black hole entropy. This may resolve the exponential decay of correlators at late times in black hole backgrounds. By Borel resumming the 1/c expansion of exact examples, we explicitly identify ‘information-restoring’ effects from heavy states that should correspond to classical solutions in AdS3. Lastly, our results suggest a line of inquiry towards a more precise formulation of the gravitational path integral in AdS3.

Authors:
 [1];  [2];  [2];  [2]
  1. Boston Univ., Boston, MA (United States)
  2. Johns Hopkins Univ., Baltimore, MD (United States)
Publication Date:
Research Org.:
Boston Univ., MA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1326955
Grant/Contract Number:  
SC0010025
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 5; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 1/N expansion; AdS-CFT correspondence; Black Holes; Conformal and W symmetry

Citation Formats

Fitzpatrick, A. Liam, Kaplan, Jared, Li, Daliang, and Wang, Junpu. On information loss in AdS3/CFT2. United States: N. p., 2016. Web. doi:10.1007/JHEP05(2016)109.
Fitzpatrick, A. Liam, Kaplan, Jared, Li, Daliang, & Wang, Junpu. On information loss in AdS3/CFT2. United States. doi:10.1007/JHEP05(2016)109.
Fitzpatrick, A. Liam, Kaplan, Jared, Li, Daliang, and Wang, Junpu. Wed . "On information loss in AdS3/CFT2". United States. doi:10.1007/JHEP05(2016)109. https://www.osti.gov/servlets/purl/1326955.
@article{osti_1326955,
title = {On information loss in AdS3/CFT2},
author = {Fitzpatrick, A. Liam and Kaplan, Jared and Li, Daliang and Wang, Junpu},
abstractNote = {We discuss information loss from black hole physics in AdS3, focusing on two sharp signatures infecting CFT2 correlators at large central charge c: ‘forbidden singularities’ arising from Euclidean-time periodicity due to the effective Hawking temperature, and late-time exponential decay in the Lorentzian region. We study an infinite class of examples where forbidden singularities can be resolved by non-perturbative effects at finite c, and we show that the resolution has certain universal features that also apply in the general case. Analytically continuing to the Lorentzian regime, we find that the non-perturbative effects that resolve forbidden singularities qualitatively change the behavior of correlators at times t ~SBH, the black hole entropy. This may resolve the exponential decay of correlators at late times in black hole backgrounds. By Borel resumming the 1/c expansion of exact examples, we explicitly identify ‘information-restoring’ effects from heavy states that should correspond to classical solutions in AdS3. Lastly, our results suggest a line of inquiry towards a more precise formulation of the gravitational path integral in AdS3.},
doi = {10.1007/JHEP05(2016)109},
journal = {Journal of High Energy Physics (Online)},
number = 5,
volume = 2016,
place = {United States},
year = {2016},
month = {5}
}

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Cited by: 22 works
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