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Related papers: Islands with Gravitating Baths: Towards ER = EPR

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Quantum extremal islands reproduce the unitary Page curve of an evaporating black hole. This has been derived by including replica wormholes in the gravitational path integral, but for the transient, evaporating black holes most relevant to…

High Energy Physics - Theory · Physics 2021-05-19 Kanato Goto , Thomas Hartman , Amirhossein Tajdini

We study the Page curve and the information paradox for the BTZ black hole coupled to two thermal baths by applying the island paradigm. We prove that as the island locates outside the event horizon, the entanglement entropy of Hawking…

High Energy Physics - Theory · Physics 2022-04-06 Ming-Hui Yu , Cheng-Yuan Lu , Xian-Hui Ge , Sang-Jin Sin

We consider a black hole in three dimensional AdS space entangled with an auxiliary radiation system. We model the microstates of the black hole in terms of a field theory living on an end of the world brane behind the horizon, and allow…

High Energy Physics - Theory · Physics 2021-02-24 Vijay Balasubramanian , Arjun Kar , Onkar Parrikar , Gábor Sárosi , Tomonori Ugajin

The Fabbri-Russo model is a generalized model of a two-dimensional dilaton gravity theory with various parameters "$n$" describing various specific gravities. Particularly, the Russo-Susskind-Thorlacius gravity model fits the case $n=1$. In…

High Energy Physics - Theory · Physics 2023-04-05 Ming-Hui Yu , Xian-Hui Ge

We compute the entanglement negativity for various pure and mixed state configurations in a bath coupled to an evaporating two dimensional non-extremal Jackiw-Teitelboim (JT) black hole obtained through the partial dimensional reduction of…

High Energy Physics - Theory · Physics 2022-01-25 Jaydeep Kumar Basak , Debarshi Basu , Vinay Malvimat , Himanshu Parihar , Gautam Sengupta

Entanglement islands play an essential role in the recent breakthrough in resolving the black hole information paradox. However, whether entanglement islands can exist in massless gravity theories is controversial. It is found that…

High Energy Physics - Theory · Physics 2023-04-12 Rong-Xin Miao

We present a unitary phenomenological model for black hole evaporation based on the analogy of the laboratory process of spontaneous parametric down conversion (SPDC) when the black hole (pump) is allowed to deplete to zero mass. The model…

General Relativity and Quantum Cosmology · Physics 2025-03-11 Paul M. Alsing

We study information recovery in black hole evaporation using traversable wormhole protocols in AdS$_2$ Jackiw-Teitelboim gravity with matter fields coupled to an external bath. By introducing a simple non-local interaction between left and…

High Energy Physics - Theory · Physics 2025-10-28 Ricardo Espíndola , Viktor Jahnke , Keun-Young Kim

We study the thermodynamics of a shell of self-gravitating radiation, bounded by two spherical surfaces. This system provides a consistent model for a gravitating thermal reservoir for different solutions to vacuum Einstein equations in the…

General Relativity and Quantum Cosmology · Physics 2021-09-22 Demetrios Kotopoulis , Charis Anastopoulos

A reformulation of the calculation of the semi-classical energy-momentum tensor on a Schwarzschild background, the Bousso covariant entropy bound, and the ER=EPR conjecture of Maldacena and Susskind taken together suggest a scenario for the…

General Relativity and Quantum Cosmology · Physics 2014-06-17 James M. Bardeen

We study two-dimensional eternal black holes with non-zero mass, where each asymptotic boundary is in contact with a CFT on a circle, following the doubly holographic braneworld models constructed in [arXiv:2006.04851, arXiv:2010.00018,…

High Energy Physics - Theory · Physics 2022-03-23 Guglielmo Grimaldi , Juan Hernandez , Robert C. Myers

We study reflected entropy as a correlation measure in black hole evaporation. As a measure for bipartite mixed states, reflected entropy can be computed between black hole and radiation, radiation and radiation. We compute reflected…

High Energy Physics - Theory · Physics 2021-03-03 Tianyi Li , Jinwei Chu , Yang Zhou

We consider scenarios where Jackiw-Teitelboim black holes are attached to baths whose temperatures can be manipulated externally. We consider the bath to be cooled continuously and numerically investigate the subsequent evolution of the…

High Energy Physics - Theory · Physics 2026-05-28 Waheed A. Dar , Nirmalya Kajuri , Rinkesh Panigrahi

We study two-dimensional de Sitter universe which evolves and proliferates according to the Ginsparg-Perry-Bousso-Hawking mechanism, using Jackiw-Teitelboim gravity coupled to conformal matter. Black holes are generated by quantum gravity…

High Energy Physics - Theory · Physics 2023-05-31 Jong-Hyun Baek , Kang-Sin Choi

Recently, remarkable progress in recovering the Page curve of an evaporating black hole (BH) in Jackiw-Teitelboim gravity has been achieved through use of Quantum Extremal surfaces (QES). Multi-boundary Wormhole (MbW) models have been…

High Energy Physics - Theory · Physics 2021-02-22 Aranya Bhattacharya , Anindya Chanda , Sabyasachi Maulik , Christian Northe , Shibaji Roy

In this paper, the information paradox on lower-dimensional Gauss-Bonnet gravity known as a three-dimensional EGB black hole is studied using the quantum extremal island approach. For that, we connect an auxiliary flat bath system to this…

High Energy Physics - Theory · Physics 2023-07-19 Ankit Anand

We study thermodynamic properties and the entanglement island of a black hole in asymptotically safe quantum gravity, analyzing key thermodynamic quantities such as the Hawking temperature, heat capacity, and entropy, as well as the…

General Relativity and Quantum Cosmology · Physics 2025-12-29 Sobhan Kazempour , Sichun Sun , Chengye Yu

This paper investigates the Page curve in Warped Anti-de Sitter black holes using the quantum extremal surface prescription. The findings reveal that in the absence of an island, the entanglement entropy of Hawking radiation grows…

High Energy Physics - Theory · Physics 2023-08-11 Ankit Anand

We consider entanglement entropies of finite spatial intervals in Minkowski radiation baths coupled to the eternal black hole in JT gravity, and the related problem involving free fermion BCFT in the thermofield double state. We show that…

High Energy Physics - Theory · Physics 2022-02-02 Timothy J. Hollowood , S. Prem Kumar , Andrea Legramandi , Neil Talwar

We study the Page curve in the four dimensional asymptotically flat eternal Garfinkle-Horowitz-Strominger dilaton black holes by applying the "quantum extremal surface" prescription. The results demonstrate that without island, the…

High Energy Physics - Theory · Physics 2022-03-25 Ming-Hui Yu , Xian-Hui Ge