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Robinson-Wilczek's recent work, which treats Hawking radiation as a compensating flux to cancel gravitational anomaly at the horizon of a Schwarzschild-type black hole, is extended to study Hawking radiation of rotating black holes in…

高能物理 - 理论 · 物理学 2008-11-26 Qing-Quan Jiang , Shuang-Qing Wu

It might be tempting to consider that the two-dimensional anti-de Sitter black hole in the Jackiw-Teitelboim model is thermally hot by invoking the non-vanishing surface gravity. So, one might expect that the local temperature would also be…

广义相对论与量子宇宙学 · 物理学 2019-10-14 Wontae Kim

We investigate a recently proposed model for a full quantum description of two-dimensional black hole evaporation, in which a reflecting boundary condition is imposed in the strong coupling region. It is shown that in this model each…

高能物理 - 理论 · 物理学 2009-10-22 Kareljan Schoutens , Erik Verlinde , Herman Verlinde

Hawking radiation, the spontaneous emission of thermal photons from an event horizon, is one of the most intriguing and elusive predictions of field theory in curved spacetimes. A formally analogue phenomenon occurs at the supersonic…

量子气体 · 物理学 2017-12-06 A. Parola , M. Tettamanti , S. L. Cacciatori

In this paper we investigate the effects of gravitational backreaction for the late time Hawking radiation of evaporating near-extremal black holes. This problem can be studied within the framework of an effective one-loop solvable model on…

高能物理 - 理论 · 物理学 2007-05-23 Alessandro Fabbri , Diego J. Navarro , Jose Navarro-Salas

A white hole (WH) is a time-reversed black hole (BH) solution in General relativity with a spacetime region to which cannot be entered from the outside. Recently they have been proposed as a possible solution to the information loss problem…

广义相对论与量子宇宙学 · 物理学 2018-06-22 Kimet Jusufi

We find a family of exact solutions to the semi-classical equations (including back-reaction) of two-dimensional dilaton gravity, describing infalling null matter that becomes outgoing and returns to infinity without forming a black hole.…

广义相对论与量子宇宙学 · 物理学 2009-10-28 Sukanta Bose , Leonard Parker , Yoav Peleg

The energy injection through Hawking evaporation has been used to put strong constraints on primordial black holes as a dark matter candidate at masses below $10^{17}\,\rm{g}$. However, Hawking's semiclassical approximation breaks down at…

宇宙学与河外天体物理 · 物理学 2024-09-05 Valentin Thoss , Andreas Burkert , Kazunori Kohri

We consider a 4D model for photon production induced by a %superluminal refractive index perturbation in a dielectric medium. We show that, in this model, we can infer the presence of a Hawking type effect. This prediction shows up both in…

量子物理 · 物理学 2011-02-02 F. Belgiorno , S. L. Cacciatori , G. Ortenzi , L. Rizzi , V. Gorini , D. Faccio

Black holes are capable of reflection: there is a finite probability for any particle that approaches the event horizon to bounce back. The albedo of the black hole depends on its temperature and the energy of the incoming particle. The…

广义相对论与量子宇宙学 · 物理学 2009-11-10 M. Yu. Kuchiev

The Hawking radiation forms the essential basis of the black hole thermodynamics. The black hole thermodynamics denotes a nice correspondence between black hole kinematics and the laws of ordinary thermodynamics, but has been so far…

广义相对论与量子宇宙学 · 物理学 2009-11-07 Hiromi Saida

We show that for the thermal spectrum of Hawking radiation black hole's information loss paradox may still be present, even if including the entanglement information stored in the entangled Minkowski vacuum. And to avoid this inconsistency,…

高能物理 - 理论 · 物理学 2015-11-17 Yu-Lei Feng , Yi-Xin Chen

In this study, we explore a particular type Hawking radiation which ends with zero temperature and entropy. The appropriate black holes for this purpose are the linear dilaton black holes. In addition to the black hole choice, a recent…

广义相对论与量子宇宙学 · 物理学 2014-02-18 I. Sakalli , M. Halilsoy , H. Pasaoglu

Charged particle emission from black holes with sufficiently large charge is exponentially suppressed. As a result, such black holes are driven towards extremality by the emission of neutral Hawking radiation. Eventually, an isolated black…

高能物理 - 理论 · 物理学 2024-11-07 Adam R. Brown , Luca V. Iliesiu , Geoff Penington , Mykhaylo Usatyuk

The analogy between black hole radiation and accelerating mirror radiation (the dynamical Casimir effect) is particularly strong for mirror trajectories giving rise to a constant thermal flux of particles. We present new ways to achieve…

广义相对论与量子宇宙学 · 物理学 2018-03-14 Michael R. R. Good , Eric V. Linder

An exact parity replicates the Standard Model giving a Mirror Standard Model, SM $\leftrightarrow$ SM$'$. This "Higgs Parity" and the mirror electroweak symmetry are spontaneously broken by the mirror Higgs, $\left\langle H'\right\rangle =…

高能物理 - 唯象学 · 物理学 2020-03-18 David Dunsky , Lawrence J. Hall , Keisuke Harigaya

We compute the albedo (or reflectivity) of electromagnetic waves off the electron-positron Hawking plasma that surrounds the horizon of a Quantum Black Hole. We adopt the "modified firewall conjecture" for fuzzballs…

高能物理 - 理论 · 物理学 2021-07-05 Wan Zhen Chua , Niayesh Afshordi

We consider a time-dependent acoustic metric in 2+1 dimensions having a black hole and we study the Hawking type radiation from such black hole. We construct eikonals of special form with the support close to the black hole. We compute the…

数学物理 · 物理学 2022-06-22 Gregory Eskin

Hawking flux from the Schwarzschild black hole with a global monopole is obtained by using Robinson and Wilczek's method. Adopting a dimension reduction technique, the effective quantum field in the (3+1)--dimensional global monopole…

高能物理 - 理论 · 物理学 2008-11-26 Jun-Jin Peng , Shuang-Qing Wu

We show in detail that the Hawking temperature calculated from the surface gravity is in agreement with the result of exact semi-classical radiation spectrum for higher dimensional linear dilaton black holes in various theories. We extend…

广义相对论与量子宇宙学 · 物理学 2012-02-16 S. Habib Mazharimousavi , I. Sakalli , M. Halilsoy