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The boundary of any observer's spacetime is the boundary that divides what the observer can see from what they cannot see. The boundary of an observer's spacetime in the presence of a black hole is not the true (future event) horizon of the…

广义相对论与量子宇宙学 · 物理学 2018-05-17 Andrew J. S. Hamilton

Hawking radiation can usefully be viewed as a semi-classical tunnelling process that originates at the black hole horizon. The conservation of energy implies the effect of self-gravitation. For a static black hole, a generalized Painleve…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Wenbiao Liu

Where does Hawking radiation originate? A common picture is that it arises from excitations very near or at the horizon, and this viewpoint has supported the "firewall" argument and arguments for a key role for the UV-dependent entanglement…

高能物理 - 理论 · 物理学 2016-02-17 Steven B. Giddings

We calculate the total flux of Hawking radiation from Kerr-(anti)de Sitter black holes by using gravitational anomaly method developed in gr-qc/0502074. We consider the general Kerr-(anti)de Sitter black holes in arbitrary $D$ dimensions…

高能物理 - 理论 · 物理学 2008-11-26 Zhibo Xu , Bin Chen

Hawking radiation effects on an entangled pair near the event horizon of a Schwarzschild black hole are investigated. The Hawking radiation was found to degrade both the quantum coherence of the entangled state and the mutual correlations…

量子物理 · 物理学 2011-08-04 Doyeol Ahn

We measure the correlation spectrum of the Hawking radiation emitted by an analogue black hole and find it to be thermal at the Hawking temperature implied by the analogue surface gravity. The Hawking radiation is in the regime of linear…

广义相对论与量子宇宙学 · 物理学 2019-09-24 Juan Ramón Muñoz de Nova , Katrine Golubkov , Victor I. Kolobov , Jeff Steinhauer

Due to the exponential high gravitational red shift near the event horizon of a black hole, it might appears that the Hawking radiation would be highly sensitive to some unknown high energy physics. To study possible deviations from the…

广义相对论与量子宇宙学 · 物理学 2017-11-08 Jun Tao , Peng Wang , Haitang Yang

In this paper we derive a class of rotating embedded black holes. Then we study Hawking's radiation effects on these embedded black holes. The surface gravity, entropy and angular velocity are given for each of these black holes.

广义相对论与量子宇宙学 · 物理学 2007-05-23 Ng Ibohal

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…

广义相对论与量子宇宙学 · 物理学 2014-01-22 Chikun Ding

Hawking radiation from an evaporating black hole has often been compared to black body radiation. However, this comparison misses an important feature of Hawking radiation: Its low density of states. This can be captured in an easy to…

广义相对论与量子宇宙学 · 物理学 2021-02-17 Sebastian Schuster

We argue that the entropy of a black hole is due to the entanglement of matter fields and gravitons across the horizon. While the entanglement entropy of the vacuum is divergent because of UV correlations, we show that low-energy…

广义相对论与量子宇宙学 · 物理学 2013-01-08 Eugenio Bianchi

Black hole entropy is identified with the counting of the dynamical degrees of freedom of trapped gravitational modes continually sourced by the Hawking-Unruh process. In the context of linear perturbations of Schwarzschild spacetime the…

广义相对论与量子宇宙学 · 物理学 2026-01-14 Seth Major , Daniel Rodriguez , Thomas Takis

By entangling soft massless particles one can create an arbitrarily large amount of entanglement entropy that carries an arbitrarily small amount of energy. Dropping this entropy into the black hole (b.h.) one can increase the b.h. entropy…

高能物理 - 理论 · 物理学 2023-01-11 Hrvoje Nikolic

We study the Hawking radiation in a new class of black hole solutions in the Einstein-Gauss-Bonnet theory. The black hole has been argued to have vanishing mass and entropy, but finite Hawking temperature. To check if it really emits…

广义相对论与量子宇宙学 · 物理学 2015-06-03 Kenji Muneyuki , Nobuyoshi Ohta

Hawking's black hole information puzzle highlights the incompatibility between our present understanding of gravity and quantum physics. However, Hawking's prediction of black-hole evaporation is at a semiclassical level. One therefore…

广义相对论与量子宇宙学 · 物理学 2015-06-25 Shahar Hod

We evaluate how much energy can be converted into gravitational radiation in head-on collision of black holes. We estimate it by the area theorem of black hole horizon incorporating merging entropy of colliding black holes from a viewpoint…

广义相对论与量子宇宙学 · 物理学 2013-04-24 Masaru Siino

In this invited review, we discuss the evaporation of a black hole, with emphasis on the resulting macroscopically distinct patterns of Hawking radiation. The density matrix of this radiation can approach a pure final state in the form of a…

高能物理 - 理论 · 物理学 2024-12-19 Xavier Calmet , Stephen D. H. Hsu

We extend previous efforts to quantify the entanglement generated in Hawking's evaporation process by including rotation and thermal environments (e.g. the cosmic microwave background). Both extensions are needed to describe real black…

广义相对论与量子宇宙学 · 物理学 2024-09-23 Ivan Agullo , Anthony J. Brady , Adrià Delhom , Dimitrios Kranas

Unitarization of black hole evaporation requires that quantum information escapes a black hole; an important question is to identify the mechanism or channel by which it does so. Accurate counting of black hole states via the…

高能物理 - 理论 · 物理学 2015-12-30 Steven B. Giddings

We present a microscopic statistical-mechanical foundation for interpreting the horizon area of a scrambling black hole as coherent information, equivalently negative conditional quantum entropy, in Hawking's pair-creation picture. We…

高能物理 - 理论 · 物理学 2026-05-26 Koji Azuma