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We review the quantum field theory description of Hawking radiation from evaporating black holes and summarize what is known about Hawking radiation from black holes in more than four space-time dimensions. In the context of the Large Extra…

High Energy Physics - Theory · Physics 2021-04-07 Panagiota Kanti , Elizabeth Winstanley

A reformulation of the calculation of the semi-classical energy-momentum tensor on a Schwarzschild background, the Bousso covariant entropy bound, and the ER=EPR conjecture of Maldacena and Susskind taken together suggest a scenario for the…

General Relativity and Quantum Cosmology · Physics 2014-06-17 James M. Bardeen

The partition function on the three-sphere of ABJ theory can be rewritten into a partition function of a non-interacting Fermi gas, with an accompanying one-particle Hamiltonian. We study the spectral problem defined by this Hamiltonian. We…

High Energy Physics - Theory · Physics 2014-07-03 Johan Kallen

Using a definition of the bulk frame within 2d Jackiw-Teitelboim gravity, we go into the bulk from the Schwarzian boundary. Including the path integral over the Schwarzian degrees of freedom, we discuss the quantum gravitational Unruh…

High Energy Physics - Theory · Physics 2021-02-04 Thomas G. Mertens

In this paper, by applying the deformed dispersion relation in quantum gravity theory, we study the correction of fermions' tunneling radiation from non-stationary symmetric black holes. Firstly, the motion equation of fermions is modified…

High Energy Physics - Theory · Physics 2019-07-26 Jin Pu , Kai Lin , Xiao-Tao Zu , Shu-Zheng Yang

In this paper the scattering of fermions by a class of Bardeen black holes is investigated. After obtaining the scattering modes by solving the Dirac equation in this geometry, we use the partial wave method to derive an analytical…

General Relativity and Quantum Cosmology · Physics 2019-03-13 Ciprian A. Sporea

The Dirac equation is solved in the $z=0$ Lifshitz black hole ($Z0$LBH) spacetime. The set of equations representing the Dirac equation in the Newman-Penrose (NP) formalism is decoupled into a radial set and an angular set. The separation…

High Energy Physics - Theory · Physics 2018-12-27 Gülnihal Tokgöz , İzzet Sakallı

We study Hawking radiation of charged fermions from accelerating and rotation black holes with electric and magnetic charges. We calculate the tunneling probabilities of incoming and outgoing fermionic particles and find the Hawking…

High Energy Physics - Theory · Physics 2011-03-18 Mudassar Rehman , K. Saifullah

Recently the modified Dirac equation with Lorentz invariance violation has been proposed, which would be helpful to resolve some issues in quantum gravity theory and high energy physics. In this paper, the modified Dirac equation has been…

High Energy Physics - Theory · Physics 2014-02-14 Shu-Zheng Yang , Kai Lin , Jin Li , Qing-Quan Jiang

We investigate the global properties of the radiation emitted by the accretion disk around Kerr black holes. Using the Kerr blackbody (KERRBB) numerical model, we build an analytic approximation of the disk emission features focusing on the…

High Energy Astrophysical Phenomena · Physics 2018-05-02 S. Campitiello , G. Ghisellini , T. Sbarrato , G. Calderone

This paper is devoted to the study of Hawking radiation as a tunneling of charged fermions through event horizons of a pair of charged accelerating and rotating black holes with NUT parameter. We evaluate tunneling probabilities of outgoing…

General Relativity and Quantum Cosmology · Physics 2015-06-05 M. Sharif , Wajiha Javed

Explicitly computed Penrose diagrams are plotted for a classical model of black hole formation and evaporation, in which black holes form by the accretion of infalling spherical shells of matter and subsequently evaporate by emitting…

General Relativity and Quantum Cosmology · Physics 2020-01-15 Joseph C Schindler , Anthony Aguirre , Amita Kuttner

Black holes are predicted to be copiously produced at the CERN Large Hadron Collider in the scenarios of TeV scale gravity. We report recent progress in studying decay of such a higher dimensional black hole in D=4+n dimensions through the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Daisuke Ida , Kin-ya Oda , Seong Chan Park

Hawking radiation spectrum via fermions tunneling is investigated through horizon radii of Pleba$\acute{\textmd{n}}$ski-Demia$\acute{\textmd{n}}$ski family of black holes. To this end, we determine the tunneling probabilities for outgoing…

General Relativity and Quantum Cosmology · Physics 2015-06-17 M. Sharif , Wajiha Javed

We consider a five dimensional SU(2) gauge theory with fermions in the bulk and with additional SU(2) and U(1) kinetic terms on the branes. The electroweak breaking is obtained by boundary conditions. After deconstruction, fermions in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Bechi , R. Casalbuoni , S. De Curtis , D. Dominici

In this work, we have obtained the solutions of a massless fermion which is under the external magnetic field around a cosmic string for specific three potential models using supersymmetric quantum mechanics. The constant magnetic field,…

High Energy Physics - Theory · Physics 2020-05-04 B. Cagatay , O. Yesiltas , A. L. Aygun

An expression for the spacetime absorption coefficient of a scalar field in a five dimensional, near extremal black hole background is derived, which has the same form as that presented by Maldacena and Strominger, but is valid over a…

High Energy Physics - Theory · Physics 2016-08-25 Fay Dowker , David Kastor , Jennie Traschen

Some active galactic nuclei, microquasars, and gamma ray bursts may be powered by the electromagnetic braking of a rapidly rotating black hole. We investigate this possibility via axisymmetric numerical simulations of a black hole…

Astrophysics · Physics 2008-11-26 Jonathan C. McKinney , Charles F. Gammie

In brane-world models with low tension, massive branons are natural candidates for dark matter. The phenomenology of these WIMP-like particles is completely determined by their mass, the brane tension and, in the case of effects due to…

Astrophysics · Physics 2009-09-29 J. A. R. Cembranos , A. Dobado , A. L. Maroto

In this work, we study the `scalar channel' of the emission of Hawking radiation from a (4+n)-dimensional, rotating black hole on the brane. We numerically solve both the radial and angular part of the equation of motion for the scalar…

High Energy Physics - Theory · Physics 2009-11-11 G. Duffy , C. Harris , P. Kanti , E. Winstanley