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We analyse the dynamics of near-extremal Reissner-Nordstr\"om black holes in asymptotically four-dimensional Anti-de Sitter space (AdS$_4$). We work in the spherically symmetric approximation and study the thermodynamics and the response to…

High Energy Physics - Theory · Physics 2018-09-14 Pranjal Nayak , Ashish Shukla , Ronak M Soni , Sandip P. Trivedi , V. Vishal

In this paper, we investigate the near-extremal thermodynamics of the Reissner-Nordstrom (RN) black hole. Our methodology is based on a duality that exists between the near-horizon geometry of the near-extremal RN sector and…

High Energy Physics - Theory · Physics 2007-05-23 A. J. M. Medved

The extremal Reissner-Nordstrom black hole embedded in a Melvin-like magnetic universe is studied in the framework of the Kerr/CFT correspondence. The near horizon geometry can be written as a warped and twisted product of $AdS_2 \times…

High Energy Physics - Theory · Physics 2015-10-21 Marco Astorino

The AdS_2\timesS^2 geometry of near-extremal Reissner-Nordstrom black holes can be described by an effective solvable model which allows to follow analytically the evaporation process including the backreaction. We find that an infinite…

High Energy Physics - Theory · Physics 2007-05-23 A. Fabbri , D. J. Navarro , J. Navarro-Salas

We show that a realization of the correspondence AdS_2/CFT_1 for near extremal Reissner-Nordstrom black holes in arbitrary dimensional Einstein-Maxwell gravity exactly reproduces, via Cardy's formula, the deviation of the Bekenstein-Hawking…

High Energy Physics - Theory · Physics 2009-10-31 Diego J. Navarro , Jose Navarro-Salas , Pedro Navarro

The formation of near-extremal Reissner-Nordstrom black holes in the S-wave approximation can be described, near the event horizon, by an effective solvable model. The corresponding one-loop quantum theory remains solvable and allows to…

High Energy Physics - Theory · Physics 2009-10-31 Alessandro Fabbri , Diego J. Navarro , Jose Navarro-Salas

We study the near-horizon AdS_2\timesS^2 geometry of evaporating near-extremal Reissner-Nordstrom black holes interacting with null matter. The non-local (boundary) terms t_{\pm}, coming from the effective theory corrected with the quantum…

High Energy Physics - Theory · Physics 2009-10-31 A. Fabbri , D. J. Navarro , J. Navarro-Salas

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 asymptotic symmetries of the near-horizon geometry of a lifted (near-extremal) Reissner-Nordstrom black hole, obtained by inverting the Kaluza-Klein reduction, explain the deviation of the Bekenstein-Hawking entropy from extremality. We…

High Energy Physics - Theory · Physics 2009-11-07 J. M. Izquierdo , J. Navarro-Salas , P. Navarro

We study the near horizon 2d gravity theory which captures the near extremal thermodynamics of Kerr black holes where a linear combination of excess angular momentum $\delta J $ and excess mass $\delta M$ is held fixed. These correspond to…

High Energy Physics - Theory · Physics 2023-02-20 Rohan R. Poojary

We analyze the asymptotic symmetries of near extremal Kerr black holes in four dimensions using the AdS_2/CFT_1 correspondence. We find a Virasoro algebra with central charge c_R=12J that is independent from the Virasoro algebra (with the…

High Energy Physics - Theory · Physics 2009-12-17 Alejandra Castro , Finn Larsen

We show that the entropy of extremal $D=4$ Reissner--Nordstrom black holes can be computed from horizon CFTs with central charges and conformal weights fixed by the dimensionless Rindler energy. This is possible in the simultaneous extremal…

High Energy Physics - Theory · Physics 2015-06-17 Edi Halyo

In a recent paper (hep-th/0111091), the near-extremal thermodynamics of a 4-dimensional Reissner-Nordstrom black hole had been considered. In the current letter, we extend this prior treatment to the more general case of a spherically…

High Energy Physics - Theory · Physics 2007-05-23 A. J. M. Medved

We present a microscopical derivation of the entropy of the black hole solutions of the Jackiw-Teitelboim theory. We show that the asymptotic symmetry of two-dimensional (2D) Anti-de Sitter space is generated by a central extension of the…

High Energy Physics - Theory · Physics 2009-12-30 Mariano Cadoni , Salvatore Mignemi

We point out that two-dimensional Russo-Susskind-Thorlacius (RST) model for evaporating black holes is locally equivalent - at the full quantum level - to flat-space Jackiw-Teitelboim (JT) gravity that was recently shown to be unitary.…

High Energy Physics - Theory · Physics 2020-10-14 Maxim Fitkevich , Dmitry Levkov , Yegor Zenkevich

We give an explicit closed form description of the late-time near-horizon approach to dynamical extreme Reissner-Nordstrom (DERN) black holes. These are spherically symmetric dynamical solutions of Einstein-Maxwell theory coupled to a…

High Energy Physics - Theory · Physics 2026-01-26 Achilleas P. Porfyriadis , Christopher Rosen , Georgios Tsaraktsidis

We study the decay of a near-extremal black hole in AdS$_2$, related to the near-horizon region of 3+1-dimensional Reissner-Nordstr\"om spacetime, following Fabbri, Navarro, and Navarro-Salas. Back-reaction is included in a semiclassical…

High Energy Physics - Theory · Physics 2014-11-18 Kamran Diba , David A. Lowe

We study a two-dimensional theory of gravity coupled to matter that is relevant to describe holographic properties of black holes with a single rotational parameter in five dimensions (with or without cosmological constant). We focus on the…

High Energy Physics - Theory · Physics 2021-12-08 Alejandra Castro , Juan F. Pedraza , Chiara Toldo , Evita Verheijden

In this note, we explore holographic attributes of four-dimensional near-extremal Reissner-Nordstrom black hole solutions in ungauged ${\cal N}=2$ supergravity theories at the two-derivative level by recasting them as a specific first-order…

High Energy Physics - Theory · Physics 2022-05-25 Pedro Aniceto , Gabriel Lopes Cardoso , Suresh Nampuri

We consider Kerr-Newman-AdS-dS black holes near extremality and work out the near-horizon geometry of these near-extremal black holes. We identify the exact U(1)_L x U(1)_R isometries of the near-horizon geometry and provide boundary…

High Energy Physics - Theory · Physics 2011-08-03 Jorgen Rasmussen
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