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Related papers: Some considerations on BEC analogue black holes

200 papers

Information loss paradox is still a challenging problem in theoretical physics. In this essay, for statics BTZ black holes and Schwarzschild black holes, we propose a simple solution based on the similarity between black holes and…

General Relativity and Quantum Cosmology · Physics 2020-04-03 Jingbo Wang

Eugenio Bianchi and Matteo Smerlak have found a relationship between the Hawking radiation energy and von Neumann entropy in a conformal field emitted by a semiclassical two-dimensional black hole. We compare this relationship with what…

High Energy Physics - Theory · Physics 2015-10-14 Shohreh Abdolrahimi , Don N. Page

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…

High Energy Physics - Theory · Physics 2008-11-26 Zheng Ze Ma

The Hawking radiation from the three dimensional rotating acoustic black hole is considered from the viewpoint of anomaly cancellation method initiated by Robinson and Wilczek. Quantum field near the horizon is effectively described by two…

High Energy Physics - Theory · Physics 2008-11-26 Wontae Kim , Hyeonjoon Shin

The type-II Weyl and type-II Dirac fermions may emerge behind the event horizon of black holes. Correspondingly the black hole can be simulated by creation of the region with overtilted Weyl or Dirac cones. The filling of the electronic…

Other Condensed Matter · Physics 2016-12-13 G. E. Volovik

We perform a quasi-normal mode analysis of black hole configurations in Bose-Einstein condensates (BEC). In this analysis we use the full Bogoliubov dispersion relation, not just the hydrodynamic or geometric approximation. We restrict our…

General Relativity and Quantum Cosmology · Physics 2008-11-26 C. Barcelo , A. Cano , L. J. Garay , G. Jannes

We discuss some of the drawbacks of using event horizons to define black holes and suggest ways in which black holes can be described without event horizons, using trapping horizons. We show that these trapping horizons give rise to…

General Relativity and Quantum Cosmology · Physics 2009-03-20 Alex B. Nielsen

It has recently become fashionable to regard black holes as elementary particles. By taking this suggestion seriously it is possible to cobble together an elementary particle physics based estimate for the decay rate $(\hbox{black hole})_i…

High Energy Physics - Theory · Physics 2009-10-22 Matt Visser

Recent studies [J. Steinhauer, Nature Phys., $\textbf{10}$, 864 (2014); Phys. Rev. D $\textbf{92}$, 024043 (2015)] provide compelling evidences that Hawking radiation could be experimentally proven by using an analogue black hole. In this…

General Relativity and Quantum Cosmology · Physics 2016-09-20 I. Sakalli , A. Ovgun , K. Jusufi

We re-examine Hawking radiation for a nonrotating (2+1)-dimensional BTZ black hole and evaluate the transmission probability of tunneling through the barrier of the event horizon employing the standard method of WKB approximation. Our…

General Relativity and Quantum Cosmology · Physics 2022-08-18 Bijan Bagchi , Sauvik Sen

This paper investigates the interplay between the geometric and topological properties of spherically symmetric black hole metrics within Einstein gravity, emphasizing implications for Bose-Einstein Condensation (BEC). By analyzing metric…

General Physics · Physics 2024-10-10 Wen-Xiang Chen

An analysis of relations between the tunneling rate and the unified first law of thermodynamics at the trapping horizons of two kinds of spherically symmetric dynamical black holes is investigated. The first kind is the Vaidya-Bardeen black…

High Energy Physics - Theory · Physics 2011-05-05 Ke-Xia Jiang , San-Min Ke , Dan-Tao Peng

We study the Hawking radiation of black holes by considering the canonical typicality. For the universe consisting of black holes and their outer part, we directly obtain a non-thermal radiation spectrum of an arbitrary black hole from its…

Quantum Physics · Physics 2018-06-21 Yu-Han Ma , Qing-Yu Cai , Hui Dong , Chang-Pu Sun

We investigate Hawking radiation from a five-dimensional Lovelock black hole using the Hamilton-Jacobi method. The behavior of the rate of radiation is plotted for various values of the ultraviolet correction parameter and the cosmological…

General Relativity and Quantum Cosmology · Physics 2016-04-08 Mahamat Saleh , Bouetou Bouetou Thomas , Kofane Timoleon Crepin

Inspired by the condensed-matter analogues of black holes, we study the quantum correlations across the event horizon reflecting the entanglement between the outgoing particles of the Hawking radiation and their in-falling partners. For a…

General Relativity and Quantum Cosmology · Physics 2014-11-20 Ralf Schützhold , William G. Unruh

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

The purpose of this thesis is to provide insights into different aspects of black hole physics, both at a quantum level and from an observational point of view. On the one hand, regarding their fundamental constitutive characteristics, we…

General Relativity and Quantum Cosmology · Physics 2020-04-16 Luciano Gabbanelli

Hawking radiation from the black hole in Horava-Lifshitz gravity is discussed by a reformulation of the tunneling method given in \cite{Banerjee:2008sn}. Using a density matrix technique the radiation spectrum is derived which is identical…

High Energy Physics - Theory · Physics 2010-03-18 Bibhas Ranjan Majhi

We consider the Hawking radiation emitted by an evaporating black hole in JT gravity and compute the entropy of arbitrary subsets of the radiation in the slow evaporation limit, and find a zoo of possible island saddles. The Hawking…

High Energy Physics - Theory · Physics 2020-12-02 Timothy J. Hollowood , S. Prem Kumar , Andrea Legramandi

We derive the Hawking radiation for Vaidya black hole in the tunneling picture from the corresponding single particle action by the use of the radial null geodesic and the Hamilton-Jacobi method (beyond semi-classical approximation). Both…

General Relativity and Quantum Cosmology · Physics 2008-11-19 Haryanto M. Siahaan , Triyanta
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