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Title: On information loss in AdS3/CFT2

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [2];  [2]
  1. Boston Univ., Boston, MA (United States)
  2. Johns Hopkins Univ., Baltimore, MD (United States)

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.

Research Organization:
Boston Univ., MA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0010025
OSTI ID:
1326955
Journal Information:
Journal of High Energy Physics (Online), Vol. 2016, Issue 5; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 86 works
Citation information provided by
Web of Science

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Cited By (27)

Vacuum block thermalization in semi-classical 2d CFT journal February 2019
AdS asymptotic symmetries from CFT mirrors journal March 2019
The bulk-to-boundary propagator in black hole microstate backgrounds journal June 2019
AdS3 reconstruction with general gravitational dressings journal July 2019
Cheshire Cat Resurgence, Self-Resurgence and Quasi-Exact Solvable Systems journal October 2018
White holes as remnants: a surprising scenario for the end of a black hole journal October 2018
Three-charge superstrata with internal excitations journal February 2019
Resurgence, Painlevé equations and conformal blocks journal October 2019
Thermal decay without information loss in horizonless microstate geometries journal January 2019
The Subtle Unphysical Hypothesis of the Firewall Theorem journal August 2019
Black Holes and Random Matrices text January 2016
Conformal Bootstrap in the Regge Limit text January 2017
From Conformal Blocks to Path Integrals in the Vaidya Geometry text January 2017
Thermalization after holographic bilocal quench text January 2017
Operator bases, $S$-matrices, and their partition functions text January 2017
Eigenstate thermalization in the Sachdev-Ye-Kitaev model text January 2017
White Holes as Remnants: A Surprising Scenario for the End of a Black Hole text January 2018
The Conformal Bootstrap at Finite Temperature text January 2018
The Conformal Bootstrap: Theory, Numerical Techniques, and Applications text January 2018
AdS Asymptotic Symmetries from CFT Mirrors text January 2018
The Bulk-to-Boundary Propagator in Black Hole Microstate Backgrounds preprint January 2018
Three-charge superstrata with internal excitations text January 2018
The subtle unphysical hypothesis of the firewall theorem text January 2019
Phases of scrambling in eigenstates text January 2019
Universal Lowest-Twist in CFTs from Holography text January 2019
AdS$_3$ Holography at Dimension Two text January 2019
Thermal Decay without Information Loss in Horizonless Microstate Geometries text January 2019

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