Islands in asymptotically flat 2D gravity

Hartman, Thomas; Shaghoulian, Edgar; Strominger, Andrew

doi:10.1007/JHEP07(2020)022

Title: Islands in asymptotically flat 2D gravity

Abstract

The large-$$\textit{N}$$ limit of asymptotically flat two-dimensional dilaton gravity coupled to $$\textit{N}$$ free matter fields provides a useful toy model for semiclassical black holes and the information paradox. Analyses of the asymptotic information flux as given by the entanglement entropy show that it follows the Hawking curve, indicating that information is destroyed in these models. Recently, motivated by developments in AdS/CFT, a semiclassical island rule for entropy has been proposed. We define and compute the island rule entropy for black hole formation and evaporation in the large-$$\textit{N}$$ RST model of dilaton gravity and show that, in contrast, it follows the unitary Page curve. The relation of these two observations, and interesting properties of the dilaton gravity island rule, are discussed.

Authors:

Hartman, Thomas ^[1];

^[1]; Strominger, Andrew ^[2]

Cornell Univ., Ithaca, NY (United States). Dept. of Physics
Harvard Univ., Cambridge, MA (United States). Dept. of Physics

Publication Date:: Fri Jul 03 00:00:00 EDT 2020

Research Org.:: Cornell Univ., Ithaca, NY (United States); Harvard Univ., Cambridge, MA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP); Simons Foundation; Gordon and Betty and Moore Foundation; John Templeton Foundation

OSTI Identifier:: 1646652

Grant/Contract Number:: SC0014123; SC0007870; 488643

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: 2020; Journal Issue: 7; Journal ID: ISSN 1029-8479

Publisher:: Springer Nature

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 2D Gravity; Black Holes; Models of Quantum Gravity

Citation Formats


                    Hartman, Thomas, Shaghoulian, Edgar, and Strominger, Andrew. Islands in asymptotically flat 2D gravity.  United States: N. p., 2020. 
Web.  doi:10.1007/JHEP07(2020)022.

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                    Hartman, Thomas, Shaghoulian, Edgar, & Strominger, Andrew. Islands in asymptotically flat 2D gravity.  United States.  https://doi.org/10.1007/JHEP07(2020)022

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                    Hartman, Thomas, Shaghoulian, Edgar, and Strominger, Andrew. Fri .  
"Islands in asymptotically flat 2D gravity".  United States.  https://doi.org/10.1007/JHEP07(2020)022.  https://www.osti.gov/servlets/purl/1646652.

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@article{osti_1646652,

  title        = {Islands in asymptotically flat 2D gravity},

  author       = {Hartman, Thomas and Shaghoulian, Edgar and Strominger, Andrew},

  abstractNote = {The large-$\textit{N}$ limit of asymptotically flat two-dimensional dilaton gravity coupled to $\textit{N}$ free matter fields provides a useful toy model for semiclassical black holes and the information paradox. Analyses of the asymptotic information flux as given by the entanglement entropy show that it follows the Hawking curve, indicating that information is destroyed in these models. Recently, motivated by developments in AdS/CFT, a semiclassical island rule for entropy has been proposed. We define and compute the island rule entropy for black hole formation and evaporation in the large-$\textit{N}$ RST model of dilaton gravity and show that, in contrast, it follows the unitary Page curve. The relation of these two observations, and interesting properties of the dilaton gravity island rule, are discussed.},

  doi          = {10.1007/JHEP07(2020)022},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 7,

  volume       = 2020,

  place        = {United States},

  year         = {Fri Jul 03 00:00:00 EDT 2020},

  month        = {Fri Jul 03 00:00:00 EDT 2020}

}

Copy to clipboard

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https://doi.org/10.1007/JHEP07(2020)022

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Figure 1: Linear dilaton vacuum. The physical spacetime is the unshaded region, with a boundary at Ω = $\frac{1}{4}$ .

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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.

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Similar Records

Title: Islands in asymptotically flat 2D gravity

Abstract

Citation Formats

Figures / Tables:

The Page curve of Hawking radiation from semiclassical geometry journal, March 2020

Quantum extremal surfaces: holographic entanglement entropy beyond the classical regime journal, January 2015

Black hole thermodynamics and information loss in two dimensions journal, September 1994

Information in black hole radiation journal, December 1993

Black holes as mirrors: quantum information in random subsystems journal, September 2007

Possible resolution of the black hole information puzzle journal, December 1994

Replica wormholes and the entropy of Hawking radiation journal, May 2020

Entanglement entropy and conformal field theory journal, December 2009

Black hole entropy in two dimensions journal, November 1994

Replica wormhole and information retrieval in the SYK model coupled to Majorana chains journal, June 2020

Geometric and renormalized entropy in conformal field theory journal, August 1994

Deriving covariant holographic entanglement journal, November 2016

Action integrals and partition functions in quantum gravity journal, May 1977

Linear dilatons, NS5-branes and holography journal, October 1998

Black holes and the butterfly effect journal, March 2014

Page curve for an evaporating black hole journal, May 2020

Fast scramblers journal, October 2008

Holographic Derivation of Entanglement Entropy from the anti–de Sitter Space/Conformal Field Theory Correspondence journal, May 2006

Liouville models of black hole evaporation journal, April 1993

End point of Hawking radiation journal, October 1992

The entropy of bulk quantum fields and the entanglement wedge of an evaporating black hole journal, December 2019

Evanescent black holes journal, February 1992

Numerical analysis of black hole evaporation journal, November 1993

Classical Solutions of 2-Dimensional String Theory journal, June 1991

Pulling out the island with modular flow journal, March 2020

The ghost in the radiation: robust encodings of the black hole interior journal, June 2020

Conformally invariant boundary conditions for dilaton gravity journal, October 1994

Information radiation in BCFT models of black holes journal, May 2020

A covariant holographic entanglement entropy proposal journal, July 2007

Generalized gravitational entropy journal, August 2013

Information consumption by Reissner-Nordström black holes journal, December 1993

Black hole non-formation in the matrix model journal, January 2006

Time dependence of Hawking radiation entropy journal, September 2013

Quantum theories of dilaton gravity journal, March 1993

Entanglement islands in higher dimensions journal, January 2020

Quantum corrections to holographic entanglement entropy journal, November 2013

Entropy, extremality, euclidean variations, and the equations of motion journal, January 2018

String theory and black holes journal, July 1991

Semiclassical decay of near extremal fivebranes journal, December 1997

The Page curve of Hawking radiation from semiclassical geometry
journal, March 2020

Quantum extremal surfaces: holographic entanglement entropy beyond the classical regime
journal, January 2015

Black hole thermodynamics and information loss in two dimensions
journal, September 1994

Information in black hole radiation
journal, December 1993

Black holes as mirrors: quantum information in random subsystems
journal, September 2007

Possible resolution of the black hole information puzzle
journal, December 1994

Replica wormholes and the entropy of Hawking radiation
journal, May 2020

Entanglement entropy and conformal field theory
journal, December 2009

Black hole entropy in two dimensions
journal, November 1994

Replica wormhole and information retrieval in the SYK model coupled to Majorana chains
journal, June 2020

Geometric and renormalized entropy in conformal field theory
journal, August 1994

Deriving covariant holographic entanglement
journal, November 2016

Action integrals and partition functions in quantum gravity
journal, May 1977

Linear dilatons, NS5-branes and holography
journal, October 1998

Black holes and the butterfly effect
journal, March 2014

Page curve for an evaporating black hole
journal, May 2020

Fast scramblers
journal, October 2008

Holographic Derivation of Entanglement Entropy from the anti–de Sitter Space/Conformal Field Theory Correspondence
journal, May 2006

Liouville models of black hole evaporation
journal, April 1993

End point of Hawking radiation
journal, October 1992

The entropy of bulk quantum fields and the entanglement wedge of an evaporating black hole
journal, December 2019

Evanescent black holes
journal, February 1992

Numerical analysis of black hole evaporation
journal, November 1993

Classical Solutions of 2-Dimensional String Theory
journal, June 1991

Pulling out the island with modular flow
journal, March 2020

The ghost in the radiation: robust encodings of the black hole interior
journal, June 2020

Conformally invariant boundary conditions for dilaton gravity
journal, October 1994

Information radiation in BCFT models of black holes
journal, May 2020

A covariant holographic entanglement entropy proposal
journal, July 2007

Generalized gravitational entropy
journal, August 2013

Information consumption by Reissner-Nordström black holes
journal, December 1993

Black hole non-formation in the matrix model
journal, January 2006

Time dependence of Hawking radiation entropy
journal, September 2013

Quantum theories of dilaton gravity
journal, March 1993

Entanglement islands in higher dimensions
journal, January 2020

Quantum corrections to holographic entanglement entropy
journal, November 2013

Entropy, extremality, euclidean variations, and the equations of motion
journal, January 2018

String theory and black holes
journal, July 1991

Semiclassical decay of near extremal fivebranes
journal, December 1997