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Related papers: Hawking Radiation in Jackiw-Teitelboim Gravity

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We study quantum cosmology of the $2D$ Jackiw-Teitelboim (JT) gravity with $\Lambda>0$ and calculate the Hartle-Hawking (HH) wave function for this model in the minisuperspace framework. Our approach is guided by the observation that the JT…

General Relativity and Quantum Cosmology · Physics 2022-04-06 Georgios Fanaras , Alexander Vilenkin

It is well known that extremal black holes do not Hawking radiate, which is usually realized by taking an extremal limit from the nonextremal case. However, one cannot perceive the same phenomenon using the Bogoliubov transformation method…

General Relativity and Quantum Cosmology · Physics 2022-02-23 Saumya Ghosh , Subhajit Barman

We describe an electromagnetic system which is related to black hole production with Hawking radiation through the double copy. We consider the scattering of a massless scalar particle through a collapsing electromagnetic background -- the…

High Energy Physics - Theory · Physics 2026-04-14 Rafael Aoude , Donal O'Connell , Matteo Sergola , Chris D. White

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

Recent progress of black hole thermodynamics due to Hawking radiation has been applied to universal thermodynamics with universe as inhomogeneous LTB model. Hawking-like temperature with quantum corrections has been evaluated using HJ…

General Relativity and Quantum Cosmology · Physics 2012-10-01 Ritabrata Biswas , Nairwita Mazumder , Subenoy Chakraborty

The greybody factor and the Hawking temperature for a class of asymptotically flat charged dilatonic black holes are computed by using the low-energy dynamics of scalar fields in the black hole background. In the semi-classical…

High Energy Physics - Theory · Physics 2011-08-31 Wontae Kim , John J. Oh

The aim of this letter is to clarify the relationships between Hawking radiation and the scattering of light by matter falling into a black hole. To this end we analyze the S-matrix elements of a model composed of a massive infalling…

General Relativity and Quantum Cosmology · Physics 2009-10-31 R. Parentani

We study the absorption probability and Hawking radiation of the scalar field in the rotating G\"{o}del black hole in minimal five-dimensional gauged supergravity. We find that G\"{o}del parameter $j$ imprints in the greybody factor and…

General Relativity and Quantum Cosmology · Physics 2009-02-20 Songbai Chen , Bin Wang , Jiliang Jing

A recent covariant formulation, that includes non-perturbative effects from loop quantum gravity (LQG) as self-consistent effective models, has revealed the possibility of non-singular black hole solutions. The new framework makes it…

General Relativity and Quantum Cosmology · Physics 2025-04-17 Idrus Husin Belfaqih , Martin Bojowald , Suddhasattwa Brahma , Erick I. Duque

We study linear scalar perturbations of black holes in two-dimensional (2D) gravity models with a particular emphasis on Jackiw-Teitelboim (JT) gravity. We obtain an exact expression of the quasinormal mode frequencies for single horizon…

General Relativity and Quantum Cosmology · Physics 2021-01-13 Srijit Bhattacharjee , Subhodeep Sarkar , Arpan Bhattacharyya

Extending researches on Hawking radiation to conformal gravity theory, we discuss Hawking radiation of different particles across charged rotating AdS black holes in conformal gravity, including charged massive particles, complex scalar and…

High Energy Physics - Theory · Physics 2017-05-16 Gao-Ming Deng

We study the Hawking radiation of the spherically symmetric, asymptotically flat black holes in the infrared modified Horava-Lifshitz gravity by applying the methods of covariant anomaly cancellation and effective action, as well as the…

High Energy Physics - Theory · Physics 2010-03-26 Jun-Jin Peng , Shuang-Qing Wu

In an insightful approach, Robinson and Wilczek proposed that Hawking radiation can be obtained as the compensation of a breakdown of general covariance and gauge invariance and the radiation is a black body radiation at Hawking…

High Energy Physics - Theory · Physics 2009-07-22 Soonkeon Nam , Jong-Dae Park

The Hawking radiation is considered as a quantum tunneling process, which can be studied in the framework of the Hamilton-Jacobi method. In this study, we present the wave equation for a mass generating massive and charged scalar particle…

General Relativity and Quantum Cosmology · Physics 2016-08-23 I. Sakalli , A. Övgün

We show that the free energy at low temperatures for near-extremal black holes is correctly obtained from the Jackiw-Teitelboim (JT) model of gravity. Our arguments apply to all black holes, including rotating ones, whose metric has a…

High Energy Physics - Theory · Physics 2019-11-15 Upamanyu Moitra , Sunil Kumar Sake , Sandip P. Trivedi , V. Vishal

The instability against emission of massless particles by the trapping horizon of an evolving black hole is analyzed with the use of the Hamilton-Jacobi method. The method automatically selects one special expression for the surface gravity…

High Energy Physics - Theory · Physics 2008-11-26 R. Di Criscienzo , M. Nadalini , L. Vanzo , S. Zerbini , G. Zoccatelli

I derive the Hawking flux from black holes of constant negative curvature and from a black hole of constant negative curvature conformally coupled to a scalar field, using the covariant gravitational anomalies method.

High Energy Physics - Theory · Physics 2010-03-01 Petros Skamagoulis

Hawking radiation from the black hole in Horava-Lifshitz gravity is discussed by a reformulation of the tunneling method given in \cite{Banerjee:2008sn}. Using a density matrix technique the radiation spectrum is derived which is identical…

High Energy Physics - Theory · Physics 2010-03-18 Bibhas Ranjan Majhi

We study quantum tunneling of charged and uncharged scalar particles from the event horizon of Schwarzschild-de Sitter and Reissner-Nordstr\"{o}m-de Sitter black holes pierced by an infinitely long spinning cosmic string and a global…

General Relativity and Quantum Cosmology · Physics 2015-10-26 Kimet Jusufi

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