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We investigate the apparent thermality of Hawking radiation in the semi-classical limit of quantum black holes using the mean-field limit of a chiral spin-chain simulator, which models fermions propagating on a black hole space-time in the…

High Energy Physics - Theory · Physics 2026-03-16 Iason A. Sofos , Andrew Hallam , Jiannis K. Pachos

We study quantum gravitational effects on black hole radiation, using loop quantum gravity. Bekenstein and Mukhanov have recently considered the modifications caused by quantum gravity on Hawking's thermal black-hole radiation. Using a…

General Relativity and Quantum Cosmology · Physics 2009-10-28 Marcelo Barreira , Mauro Carfora , Carlo Rovelli

In this review, we discuss effects of quantum gravity on black hole physics. After a brief review of the origin of the minimal observable length from various quantum gravity theories, we present the tunneling method. To incorporate quantum…

General Relativity and Quantum Cosmology · Physics 2014-10-21 Deyou Chen , Houwen Wu , Haitang Yang , Shuzheng Yang

Vacuum models of charged or spinning black holes possess two horizons, the inner of which has the oft-overlooked property that gravitational tidal forces initially spaghettifying a freely falling observer will eventually change signs and…

General Relativity and Quantum Cosmology · Physics 2024-08-07 Tyler McMaken

The tripartite entanglement is examined when one of the three parties moves with a uniform acceleration with respect to other parties. As Unruh effect indicates, the tripartite entanglement exhibits a decreasing behavior with increasing the…

High Energy Physics - Theory · Physics 2015-05-20 Mi-Ra Hwang , DaeKil Park , Eylee Jung

Recently, the possibility was pointed out by one of the present authors and his collaborators that an effective naked singularity referred to as "a visible border of spacetime" is generated by high-energy particle collision in the context…

General Relativity and Quantum Cosmology · Physics 2011-05-12 Umpei Miyamoto , Hiroya Nemoto , Masahiro Shimano

We study the greybody factor and Hawking radiation for a scalar field coupling to Einstein's tensor in the background of Reissner-Nordstr\"om black hole in the low-energy approximation. We find that the presence of the coupling terms…

General Relativity and Quantum Cosmology · Physics 2015-03-17 Songbai Chen , Jiliang Jing

In this study, the Generalized Uncertainty Principle (GUP) effect on the Hawking radiation formed by tunneling of a massive vector boson particle from the $2+1$ dimensional New-type Black Hole was investigated. We used modified massive…

General Relativity and Quantum Cosmology · Physics 2018-06-26 Ganim Gecim , Yusuf Sucu

Using the complete classification of the bases in the rotating black hole background we separate superradiance from the Hawking effect. We first find that there is spontaneous particle creation for fermions by the potential outside the…

General Relativity and Quantum Cosmology · Physics 2023-10-17 De-Chang Dai , Dejan Stojkovic

In this paper, we analyze the Hawking radiation (HR) of a non-asymptotically flat (NAF) dyonic black hole (dBH) in four-dimensional (4D) Einstein-Maxwell-Dilaton (EMD) gravity by using one of the semiclassical approaches which is the…

General Relativity and Quantum Cosmology · Physics 2015-04-27 I. Sakalli , A. Ovgun , S. F. Mirekhtiary

In the frame of Hamilton-Jacobi method, the back-reactions of the radiating particles together with the total entropy change of the whole system are investigated. The emission probability from this process is found to be equivalent to the…

General Relativity and Quantum Cosmology · Physics 2014-01-22 Chikun Ding

The quantum discord and tripartite entanglement are discussed in the presence of an asymptotically flat static black holes. The total correlation, quantum discord and classical correlation exhibit decreasing behavior with increasing Hawking…

High Energy Physics - Theory · Physics 2012-06-26 Eylee Jung , Mi-Ra Hwang , DaeKil Park

Applying the Hamilton--Jacobi method we investigate the tunneling of photon across the event horizon of a static spherically symmetric black hole. The necessity of the gauge condition on the photon field, to derive the semiclassical Hawking…

High Energy Physics - Theory · Physics 2010-09-06 Bibhas Ranjan Majhi , Saurav Samanta

Quantum thermal effect of Dirac particles in an arbitrarily accelerating Kinnersley black hole is investigated by using the method of generalized tortoise coordinate transformation. Both the location and the temperature of the event horizon…

General Relativity and Quantum Cosmology · Physics 2021-10-20 S. Q. Wu , X. Cai

The Hawking effect can be understood as a broad kinematic phenomenon associated with mode behavior near a horizon. While astrophysical black holes produce one specific realization of this radiation, this perspective inspires extensive…

General Relativity and Quantum Cosmology · Physics 2026-03-05 Isaac Bernal , Miguel A. Cortés-Ortiz , David Bermudez

Recently, it was suggested that the Hawking radiation may originate not at the event horizon but in the quantum region outside of it, known as the quantum atmosphere. The present study attempts to explore this argument further by assessing…

General Relativity and Quantum Cosmology · Physics 2023-06-19 Adam Z. Kaczmarek , Dominik Szczęśniak

Cosmological models with an inhomogeneous viscous dark fluid, coupled with dark matter in the Friedmann- Robertson-Walker (FRW) flat universe, are considered. The influence of thermal effects caused by Hawking radiation on the visible…

General Relativity and Quantum Cosmology · Physics 2021-08-23 I. Brevik , A. V. Timoshkin , Tanmoy Paul

In the conventional scenario, the Hawking radiation is believed to be a tunneling process at the event horizon of the black hole. In the quantum field theoretic approach the Schwinger's mechanism is generally used to give an explanation of…

High Energy Astrophysical Phenomena · Physics 2015-11-04 Sanchari De , Sutapa Ghosh , Somenath Chakrabarty

There has been recent speculation that the tunneling paradigm for Hawking radiation could -- after quantum-gravitational effects have suitably been incorporated -- provide a means for resolving the (black hole) information loss paradox. A…

General Relativity and Quantum Cosmology · Physics 2009-11-11 A. J. M. Medved , Elias C. Vagenas

In a seminal work, Hawking showed that natural states for free quantum matter fields on classical spacetimes that solve the spherically symmetric vacuum Einstein equations are KMS states of non-vanishing temperature. Although Hawking's…

General Relativity and Quantum Cosmology · Physics 2024-05-01 Thomas Thiemann