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We consider a sonic analog of a black hole realized in the one-dimensional flow of a Bose-Einstein condensate. Our theoretical analysis demonstrates that one- and two-body momentum distributions accessible by present-day experimental…

Quantum Gases · Physics 2015-07-09 D. Boiron , A. Fabbri , P. -É. Larré , N. Pavloff , C. I. Westbrook , P. Ziń

We reinvestigate the emission of Hawking radiation during gravitational collapse to a black hole. Both CGHS collapse of a shock wave in (1+1)-dimensional dilaton gravity and Schwarzschild collapse of a spherically symmetric thin shell in…

High Energy Physics - Theory · Physics 2012-05-04 Dmitry Podolsky , Eric Greenwood , Glenn Starkman

Quantum gravity phenomenology suggests the interesting possibility that black holes are not eternal. Collapse could be halted by some unknown mechanism, or Hawking radiation might leave behind a regular spacetime. Here we investigate a…

General Relativity and Quantum Cosmology · Physics 2023-08-09 Vitor Cardoso , João L. Costa , José Natário , Zhen Zhong

Hawking radiation from Unruh's and Canonical acoustic black hole is considered from viewpoint of anomaly cancellation method developed by Robinson and Wilczek. Thus, the physics near the horizon can be described using an infinite collection…

General Relativity and Quantum Cosmology · Physics 2009-08-13 Ramon Becar , Pablo Gonzalez , Gustavo Pulgar , Joel Saavedra

We compute the black hole radiation spectrum in the presence of high-frequency dispersion in a large set of situations. In all cases, the spectrum diverges like the inverse of the Killing frequency. When studying the low-frequency spectrum,…

General Relativity and Quantum Cosmology · Physics 2012-06-15 Stefano Finazzi , Renaud Parentani

In this paper, we apply the topological method to the various black holes to derive their Hawking temperature. We show that the this method can easily be employed to compute the Hawking temperature of black holes having spherically…

High Energy Physics - Theory · Physics 2023-08-17 A. Övgün , İ. Sakallı

We extend to study Hawking radiation via tunneling in conformal gravity. We adopt Parikh-Wilczek's semi-classical tunneling method and the method of complex-path integral to investigate Hawking radiation from new rotating AdS black holes in…

General Relativity and Quantum Cosmology · Physics 2014-07-23 Shuang-Qing Wu , Gao-Ming Deng , Di Wu

A two-dimensional dilatonic black hole induced by a topological soliton is exactly solvable in the scalar field theory coupled to dilaton gravity. The Hawking radiation of the black hole is studied in the one-loop approximation with the…

General Relativity and Quantum Cosmology · Physics 2009-10-28 Sung-Won Kim , Won T. Kim

Rotating acoustic metrics may have black holes inside the ergosphere. Simple cases of acoustic black holes were studied in the references [21], [4]. In the present paper we study the Hawking radiation for more complicated cases of acoustic…

Mathematical Physics · Physics 2019-08-13 Gregory Eskin

In this paper, we study Hawking radiation as a massless particles tunneling process across the event horizon from the Schwarzschild and Reissner-Nordstr\"om black holes pierced by an infinitely long spinning cosmic string and a global…

General Relativity and Quantum Cosmology · Physics 2015-10-28 Kimet Jusufi

We study the emission of Hawking radiation in the form of scalar fields from a (4+n)-dimensional, rotating black hole on the brane. We perform a numerical analysis to solve both the radial and angular parts of the scalar field equation, and…

High Energy Physics - Theory · Physics 2010-11-19 C. M. Harris , P. Kanti

In this paper, we give a rigorous mathematical treatment of the late time Hawking radiation of massless bosons emitted by a class of collapsing, spherically symmetric, charged models of black hole formation, including both extremal and…

General Relativity and Quantum Cosmology · Physics 2026-02-09 Frederick Alford

Considering gravitational and gauge anomalies at the horizon, a new method that to derive Hawking radiations from black holes has been developed by Wilczek et al. In this paper, we apply this method to non-rotating and rotating Kaluza-Klein…

High Energy Physics - Theory · Physics 2010-01-06 Shao-Wen Wei , Ran Li , Yu-Xiao Liu , Ji-Rong Ren

Hawking radiation acts as a cosmic censor since it carries away the angular momentum of the black hole, proportionally more than its mass. In this work we first show that an extremal black hole cannot exist since it will be pushed away from…

General Relativity and Quantum Cosmology · Physics 2016-06-24 Koray Düztaş , İbrahim Semiz

We calculate the quantum radiation from the five dimensional charged rotating black rings by demanding the radiation to eliminate the possible anomalies on the horizons. It is shown that the temperature, energy flux and angular-momentum…

High Energy Physics - Theory · Physics 2008-11-26 Umpei Miyamoto , Keiju Murata

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

There is an analogy between the propagation of fields on a curved spacetime and shallow water waves in an open channel flow. By placing a streamlined obstacle into an open channel flow we create a region of high velocity over the obstacle…

General Relativity and Quantum Cosmology · Physics 2015-06-12 Silke Weinfurtner , Edmund W. Tedford , Matthew C. J. Penrice , William G. Unruh , Gregory A. Lawrence

Modeling the collapse of an extreme Reissner-Nordstr\"om (ERN) black hole by solving the corresponding moving mirror model for the trajectory that asymptotically approaches uniform acceleration, we obtain the non-zero beta coefficients for…

General Relativity and Quantum Cosmology · Physics 2020-05-28 Michael R. R. Good

We theoretically study the entanglement of Hawking radiation pairs emitted by an analogue black hole. We find that this entanglement can be measured by the experimentally accessible density-density correlation function, vastly simplifying…

General Relativity and Quantum Cosmology · Physics 2015-08-04 Jeff Steinhauer

We construct analogues for the quantum phenomena of black hole radiation in the context of {\it classical field theory}. Hawking radiation from a (radially) collapsing star is mathematically equivalent to radiation from a mirror moving…

General Relativity and Quantum Cosmology · Physics 2007-05-23 K. Srinivasan , T. Padmanabhan
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