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相关论文: Maxwell-Boltzmann type Hawking radiation

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Questions about black holes in quantum gravity generally presuppose the presence of a horizon. Recently Carlip has shown that enforcing an initial data surface to be a horizon leads to the correct form for the Bekenstein-Hawking entropy of…

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

We argue that a unitary description of the formation and evaporation of a black hole implies that the Bekenstein-Hawking entropy is the "entropy of a vacuum": the logarithm of the number of possible independent ways in which quantum field…

高能物理 - 理论 · 物理学 2014-11-11 Yasunori Nomura , Sean J. Weinberg

It has recently been suggested [S. B. Giddings, Phys. Lett. B {\bf 754}, 39 (2016)] that the Hawking black-hole radiation spectrum originates from an effective quantum "atmosphere" which extends well outside the black-hole horizon. In…

广义相对论与量子宇宙学 · 物理学 2016-07-20 Shahar Hod

In loop quantum gravity, the quantum geometry of a black hole horizon consist of discrete non-perturbative quantum geometric excitations (or punctures) labeled by spins, which are responsible for the quantum area of the horizon. If these…

广义相对论与量子宇宙学 · 物理学 2016-11-07 Abhishek Majhi

By analysing the infinite dimensional midisuperspace of spherically symmetric dust universes, and aply it to collapsing dust stars, one finds that the general quantum state is a bound state. This leads to discrete spectrum. In the case of a…

高能物理 - 理论 · 物理学 2007-05-23 Yoav Peleg

Recent work that treats the Hawking radiation as a semi-classical tunnelling process from the four-dimensional Schwarzschild and Reissner-Nordstrom black holes is extended to the case of higher dimensional Reissner-Nordstrom-de Sitter black…

高能物理 - 理论 · 物理学 2007-05-23 Shuang-Qing Wu , Qing-Quan Jiang

The Hawking effect can be rederived in terms of two-point functions and in such a way that it makes it possible to estimate, within the conventional semiclassical theory, the contribution of ultrashort distances to the Planckian spectrum.…

高能物理 - 理论 · 物理学 2008-11-26 I. Agullo , J. Navarro-Salas , Gonzalo J. Olmo , Leonard Parker

General arguments based on curved space-time thermodynamics show that any extensive quantity, like the free energy or the entropy of thermal matter, always has a divergent boundary contribution in the presence of event horizons, and this…

高能物理 - 理论 · 物理学 2013-11-13 J. L. F. Barbon

We derive black hole entropy based on the near-horizon symmetries of black hole space-times. To derive these symmetries we make use of an $(R,T)$-plane close to a Killing horizon. We identify a set of vector fields that preserves this plane…

广义相对论与量子宇宙学 · 物理学 2014-02-04 Olaf Dreyer , Amit Ghosh , Avirup Ghosh

The density of states reproducing the Bekenstein-Hawking entropy-area scaling can be modeled via a nonlocal field theory. We define a diffusion process based on the kinematics of this theory and find a spectral dimension whose flow exhibits…

高能物理 - 理论 · 物理学 2013-10-15 Michele Arzano , Gianluca Calcagni

During the last years, one had to combine the proposal about how quasinormal frequencies are related with black holes and the proposal about the adiabatic invariance of black holes in order to derive the quantized entropy spectrum and its…

广义相对论与量子宇宙学 · 物理学 2011-07-13 Bibhas Ranjan Majhi , Elias C. Vagenas

In this Letter I point out that Hawking radiation is a purely kinematic effect that is generic to Lorentzian geometries. Hawking radiation arises for any test field on any Lorentzian geometry containing an event horizon regardless of…

广义相对论与量子宇宙学 · 物理学 2009-10-30 Matt Visser

Hawking radiation, despite its presence in theoretical physics for over thirty years, remains elusive and undetected. It also suffers, in its original context of gravitational black holes, from conceptual difficulties. Of particular note is…

广义相对论与量子宇宙学 · 物理学 2011-06-10 Scott James Robertson

When a black hole first forms, the properties of the emitted radiation as measured by observers near future null infinity are very close to the 1974 prediction of Hawking. However, deviations grow with time, and become of order unity after…

高能物理 - 理论 · 物理学 2021-07-28 Eanna E Flanagan

The black hole model with a self-gravitating charged spherical symmetric dust thin shell as a source is considered. The Schroedinger-type equation for such a model is derived. This equation appeared to be a finite differences equation. A…

广义相对论与量子宇宙学 · 物理学 2014-11-17 V. A. Berezin

We derive the Hawking radiation spectrum of anyons, namely particles in (2+1)-dimension obeying fractional statistics, from a Ba\~nados, Teitelboim, and Zanelli (BTZ) black hole, in the tunneling formalism. We examine ways of measuring the…

广义相对论与量子宇宙学 · 物理学 2021-11-09 Vishnulal C , Soumen Basak , Saurya Das

Following the initial work of Calcagni et al. on the black holes in multi-fractional theories, we focus on the Schwarzschild black hole in multi-fractional theory with q-derivatives. After presenting its Hawking and Hayward temperatures in…

广义相对论与量子宇宙学 · 物理学 2020-12-10 Peng Huang , Fang-Fang Yuan

In the usual picture of Hawking radiation, the emission is spontaneous; it is caused by nothing. In contrast, the radiation from the ringdown after a black-hole merger is caused dynamically by the fluctuations of the event horizon. We…

广义相对论与量子宇宙学 · 物理学 2024-11-05 Eyal Keshet , Inbar Shemesh , Jeff Steinhauer

We start our analysis by deriving a master equation that describes the motion of a field with arbitrary spin $s$ on a 3-brane embedded in a non-rotating, uncharged (4+n)-dimensional black hole background. By numerical analysis, we derive…

高能物理 - 唯象学 · 物理学 2009-11-10 Chris M. Harris , Panagiota Kanti

A black hole can be regarded as a thermodynamic system described by a grand canonical ensemble. In this paper, we study the Bekenstein-Hawking entropy of higher-dimensional rotating black holes using the Euclidean path-integral method of…

高能物理 - 理论 · 物理学 2008-11-26 Zheng Ze Ma