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We reconsider the black hole firewall puzzle, emphasizing that quantum error-correction, computational complexity, and pseudorandomness are crucial concepts for understanding the black hole interior. We assume that the Hawking radiation…

High Energy Physics - Theory · Physics 2020-06-09 Isaac H. Kim , Eugene Tang , John Preskill

The purely thermal nature of Hawking radiation from evaporating black holes leads to the information loss paradox. A possible route to its resolution could be if (enough) correlations are shown to be present in the radiation emitted from…

General Relativity and Quantum Cosmology · Physics 2017-07-25 C. Fairoos , Sudipta Sarkar , K. P. Yogendran

In this letter we study the process of Hawking radiation of a black hole assuming the existence of a limiting physical curvature scale. The particular model is constructed using the Limiting Curvature Hypothesis (LCH) and in the context of…

High Energy Physics - Theory · Physics 2014-11-18 Damien A. Easson

A simple classical consideration of black hole formation and evaporation times focusing solely on the frame of an observer at infinity demonstrates that an infall cutoff outside the event horizon of a black hole must be imposed in order for…

General Relativity and Quantum Cosmology · Physics 2015-04-13 Borun D. Chowdhury , Lawrence M. Krauss

We point out that conservation of information implies that remnants produced at the end of black hole evaporation should radiate in the low-frequency spectrum. We model this emission and derive properties of the diffuse radiation emitted by…

General Relativity and Quantum Cosmology · Physics 2023-05-05 Sina Kazemian , Mateo Pascual , Carlo Rovelli , Francesca Vidotto

In this invited review, we describe Hawking's information paradox and a recently proposed resolution of it. Explicit calculations demonstrate the existence of quantum hair on black holes, meaning that the quantum state of the external…

High Energy Physics - Theory · Physics 2022-08-24 Xavier Calmet , Stephen D. H. Hsu

We extend a four-qubit quantum circuit model of black hole evaporation that enforces semi-causality, a condition that allows information to enter a black hole but strictly forbids any information from escaping from the interior to outside…

High Energy Physics - Theory · Physics 2025-11-19 Sourav Ballav , Chi-Hsien Tai , Wen-Yu Wen

A brief overview of the discovery that macroscopic black holes are thermodynamical systems is presented. They satisfy the laws of thermodynamics and are associated with a temperature and an entropy equal to one quarter of their horizon area…

General Relativity and Quantum Cosmology · Physics 2023-10-31 Alejandro Perez

We show that the entropy created by Ohmic dissipation inside an accreting charged black hole may exceed the Bekenstein-Hawking entropy by a large factor. If the black hole subsequently evaporates, radiating only the Bekenstein-Hawking…

General Relativity and Quantum Cosmology · Physics 2009-03-13 Colin S. Wallace , Andrew J. S. Hamilton , Gavin Polhemus

We argue that the following three statements cannot all be true: (i) Hawking radiation is in a pure state, (ii) the information carried by the radiation is emitted from the region near the horizon, with low energy effective field theory…

High Energy Physics - Theory · Physics 2015-06-05 Ahmed Almheiri , Donald Marolf , Joseph Polchinski , James Sully

We explain how Hawking radiation stores significant amount of information in high-order correlations of quantum fields. This information can be retrieved by multi-time measurements on the quantum fields close to the black hole horizon. This…

General Relativity and Quantum Cosmology · Physics 2021-02-03 Charis Anastopoulos , Konstantina Savvidou

In the context of a two-dimensional exactly solvable model, the dynamics of quantum black holes is obtained by analytically continuing the description of the regime where no black hole is formed. The resulting spectrum of outgoing radiation…

High Energy Physics - Theory · Physics 2009-10-30 D. Amati , J. G. Russo

Contradiction between Hawking's semi-classical arguments and string theory on the evaporation of black hole has been one of the most intriguing problems in fundamental physics. A final-state boundary condition inside the black hole was…

High Energy Physics - Theory · Physics 2010-10-27 Doyeol Ahn

The black hole information puzzle can be resolved if two conditions are met. Firstly, if the information of what falls inside a black hole remains encoded in degrees of freedom that persist after the black hole completely evaporates. These…

General Relativity and Quantum Cosmology · Physics 2023-10-25 Alejandro Perez , Sami Viollet

Hawking showed that a black hole formed by collapse will emit radiation and eventually disappear. We address the challenge to define an objective notion of physical entropy which increases throughout this process in a way consistent with…

General Relativity and Quantum Cosmology · Physics 2023-12-18 Bernard S. Kay

Hawking radiation of the blackhole is calculated based on the principle of local field theory. In our approach, the radiation is a unitary process, therefore no information loss will be recorded. In fact, observers in different regions of…

High Energy Physics - Theory · Physics 2021-09-02 Shotaro Shiba Funai , Hirotaka Sugawara

After a brief review of the description of black holes on branes, we examine the evaporation of a small black hole on a brane in a world with large extra dimensions. We show that, contrary to previous claims, most of the energy is radiated…

High Energy Physics - Theory · Physics 2007-05-23 Roberto Emparan

Information about the collapsed matter in a black hole will be lost if Hawking radiations are truly thermal. Recent studies discover that information can be transmitted from a black hole by Hawking radiations, due to their spectrum…

General Relativity and Quantum Cosmology · Physics 2013-02-07 Baocheng Zhang , Qing-yu Cai , Ming-sheng Zhan , Li You

We examine the evaporation of a small black hole on a brane in a world with large extra dimensions. Since the masses of many Kaluza-Klein modes are much smaller than the Hawking temperature of the black hole, it has been claimed that most…

High Energy Physics - Theory · Physics 2008-11-26 Roberto Emparan , Gary T. Horowitz , Robert C. Myers

Hawking's seminal discovery of black hole evaporation was based on the semi-classical, perturbative method. Whether black hole evaporation may result in the loss of information remains undetermined. The solution to this paradox would most…

General Relativity and Quantum Cosmology · Physics 2020-09-30 Pisin Chen , Misao Sasaki , Dong-han Yeom