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Holographic braneworlds are used to present a higher-dimensional origin of extended black hole thermodynamics. In this framework, classical, asymptotically anti-de Sitter black holes map to quantum black holes in one dimension less, with a…

High Energy Physics - Theory · Physics 2023-05-03 Antonia M. Frassino , Juan F. Pedraza , Andrew Svesko , Manus R. Visser

We study an $N + 1$ dimensional generalization of the Schwarzschild black hole from the quantum mechanical viewpoint. It is shown that the mass loss rate of this higher dimensional black hole due to the black hole radiation is proportional…

General Relativity and Quantum Cosmology · Physics 2007-05-23 I. Oda

Continuum spectrum emitted by the accretion disk around quasars hold a wealth of information regarding the strong gravitational field produced by the massive central object. Such strong gravity regime is often expected to exhibit deviations…

General Relativity and Quantum Cosmology · Physics 2019-08-30 Indrani Banerjee , Sumanta Chakraborty , Soumitra SenGupta

We study the Hawking radiation of (4+n)-dimensional Schwarzschild black hole imbedded in the space-time with positive cosmological constant. The greybody and energy emission rates of scalars, fermions, bosons, and gravitons are calculated…

High Energy Physics - Theory · Physics 2008-11-26 Shao-Feng Wu , Shaoyu Yin , Guo-Hong Yang , Peng-Ming Zhang

We introduce, by means of the Brans-Dicke scalar field, space-time fluctuations at scale comparable to Planck length near the event horizon of a black hole and examine their dramatic effects.

General Relativity and Quantum Cosmology · Physics 2010-11-11 A. G. Agnese , M. La Camera

We apply Wilczek and his collaborators' anomaly cancellation approach to the 3-dimensional Schwarzschild- and BTZ-like brane world black holes induced by the generalized C metrics in the Randall-Sundrum scenario. Based on the fact that the…

High Energy Physics - Theory · Physics 2008-12-25 Chao-Guang Huang , Jia-Rui Sun , Xiaoning Wu , Hai-Qing Zhang

Behaviour of Dirac fermions in the background of a charged black string penetrated by an Abelian Higgs vortex is elaborated. One finds the evidence that the system under consideration can support fermion fields acting like a superconducting…

High Energy Physics - Theory · Physics 2015-06-03 Lukasz Nakonieczny , Marek Rogatko

We consider cosmological evolution in Brans-Dicke theory with a population of primordial black holes. Hawking radiation from the primordial black holes impacts various astrophysical processes during the evolution of the Universe. The…

General Relativity and Quantum Cosmology · Physics 2012-01-20 B. Nayak , A. S. Majumdar , L. P. Singh

In theories with large extra dimensions and TeV-scale gravity, black holes are copiously produced in particle collisions at energies well above the Planck scale. I briefly review some recent work on the phenomenology of this process, with…

High Energy Physics - Phenomenology · Physics 2007-05-23 Bryan Webber

An event horizon for "relativistic" fermionic quasiparticles can be constructed in a thin film of superfluid 3He-A. The quasiparticles see an effective "gravitational" field which is induced by a topological soliton of the order parameter.…

General Relativity and Quantum Cosmology · Physics 2009-10-31 T. A. Jacobson , G. E. Volovik

We solve the Dirac equation for a massive charged fermion in the near-extremal charged Nariai black hole with the near-horizon geometry $\mathrm{dS}_2 \times \mathrm{S}^2$. At the one-loop level, contrary to the catastrophic emission of…

High Energy Physics - Theory · Physics 2025-09-11 Chiang-Mei Chen , Chun-Chih Huang , Sang Pyo Kim

Warm dark matter particles with masses in the keV range have been linked with the large group representations in gauge theories through a high number of species at decoupling. In this paper, we address WDM fermionic degrees of freedom from…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-18 Sinziana Paduroiu , Michael Rios , Alessio Marrani , David Chester

We use the identification of the edge mode of the filling fraction $\nu=1$ quantum Hall phase with a 1+1 dimensional chiral Dirac fermion to construct an analogue model for a chiral fermion in a space-time geometry possessing an event…

General Relativity and Quantum Cosmology · Physics 2013-08-22 Michael Stone

This paper examines the interaction of an intense fermion field with all of the particle species of an attometer primordial black hole's (PBH)'s high energy Hawking radiation spectrum. By extrapolating to Planck-sized PBH's, it is shown…

General Physics · Physics 2016-10-24 Jeffrey S. Lee , Gerald B. Cleaver

We explore the possibility that spacetime horizons in 4D general relativity can be treated as manifestations of higher dimensions that induce fields on our 4D spacetime. In this paper we discuss the black hole event horizon, as an example…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Manasse R. Mbonye

Considering gravitational and gauge anomalies at the horizon, a new successful method that to derive Hawking radiations from black holes has been developed recently by Wilczek et al.. By using the dimensional reduction technique, we apply…

High Energy Physics - Theory · Physics 2009-05-01 Shao-Wen Wei , Ran Li , Yu-Xiao Liu , Ji-Rong Ren

We demonstrate that a model with extra dimensions formulated in Csaki et al. (Phys Rev D 62, 045015), which fatefully reproduces Friedmann-Robertson-Walker (FRW) equations on the brane, allows for an apparent superluminal propagation of…

General Relativity and Quantum Cosmology · Physics 2024-02-23 De-Chang Dai , Dejan Stojkovic

We study the absorption probability and Hawking radiation of the scalar field in the rotating black holes on codimension-2 branes. We find that finite brane tension modifies the standard results in Hawking radiation if compared with the…

High Energy Physics - Theory · Physics 2008-11-26 Songbai Chen , Bin Wang , Ru-Keng Su , W. -Y Pauchy Hwang

Quantum thermal effect of Dirac particles in an arbitrarily accelerating Kinnersley black hole is investigated by using the method of generalized tortoise coordinate transformation. Both the location and the temperature of the event horizon…

General Relativity and Quantum Cosmology · Physics 2021-10-20 S. Q. Wu , X. Cai

The quantum tunneling radiation of fermions with arbitrary spin at the event horizon of Kerr-de Sitter black hole is accurately modified by using the dispersion relation proposed in the study of string theory and quantum gravitational…

High Energy Physics - Theory · Physics 2020-02-11 Bei Sha , Zhi-E Liu , Xia Tan , Yu-Zhen Liu , Jie Zhang
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