English
Related papers

Related papers: GUP Modified Hawking Radiation in Bumblebee Gravit…

200 papers

This work investigates the influence of the Lorentz symmetry breaking in the bending angle of massive particles and light for bumblebee black hole solutions. The solutions analyzed break the Lorentz symmetry due to a non-zero vacuum…

General Relativity and Quantum Cosmology · Physics 2021-05-18 I. D. D. Carvalho , G. Alencar , W. M. Mendes , R. R. Landim

In this work, we have investigated the phenomenon of acceleration radiation exhibited by a two-level atom freely falling into a Generalized Uncertainty Principle (GUP)-corrected Schwarzschild black hole. We derive analytic expressions for…

General Relativity and Quantum Cosmology · Physics 2025-12-10 Ali Övgün , Reggie C. Pantig

In this paper we consider the massive scalar perturbation on the top of a small spinning-like black hole in context of Einstein-bumblebee modified gravity in order to probe the role of spontaneous Lorentz symmetry breaking on the…

General Relativity and Quantum Cosmology · Physics 2021-03-24 Mohsen Khodadi

In this paper, we investigate the quantum gravity effects on the tunneling of particles and gravity's rainbow across the event horizon of Kerr-Newman black hole (KNBH) surrounded by the quintessence. The aspect of quantum gravity has been…

General Relativity and Quantum Cosmology · Physics 2026-03-16 Aheibam Boycha Meitei , Irom Ablu Meitei , Telem Ibungochouba Singh , Kangujam Yugindro Singh

Bekenstein-Hawking Black hole thermodynamics should be corrected to incorporate quantum gravitational effects. Generalized Uncertainty Principle(GUP) provides a perturbational framework to perform such modifications. In this paper we…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Kourosh Nozari , S. Hamid Mehdipour

In this article, we investigate the optical, thermodynamic, and scattering properties of a ModMax black hole surrounded by a cloud of strings within the framework of Einstein-bumblebee gravity. We then analyze in detail the thermodynamic…

General Relativity and Quantum Cosmology · Physics 2026-05-21 Fernando M. Belchior , Allan R. P. Moreira , Abdelmalek Bouzenada , Faizuddin Ahmed

In semiclassical gravity, the vacuum expectation value ${\langle\hat{N}\rangle}$ of the particle number operator for a quantum field gives rise to the perception of thermal radiation in the vicinity of a black hole. This Hawking effect has…

General Relativity and Quantum Cosmology · Physics 2024-03-22 Tyler McMaken , Andrew J. S. Hamilton

In this paper we study the quantum tunneling of Dirac magnetic monopoles from the global monopole black hole under quantum gravity effects. We start from the modified Maxwell's equations and the Generalized Uncertainty Relation (GUP), to…

General Relativity and Quantum Cosmology · Physics 2016-11-10 Kimet Jusufi , Gordana Apostolovska

In this work, we have studied weak gravitational lensing effect around black hole and determine shadow radius in GUP-corrected-Schwarzschild spacetime (S-GUP) in presence of plasma environment. We started with orbits of photons around black…

General Relativity and Quantum Cosmology · Physics 2023-12-29 Husanboy Hoshimov , Odil Yunusov , Farruh Atamurotov , Mubasher Jamil , Ahmadjon Abdujabbarov

This paper studies the scalar, electromagnetic field and Dirac field perturbations of spherically symmetric black hole within the framework of Einstein-bumblebee gravity model with global monopole and cosmological constant. We investigate…

General Relativity and Quantum Cosmology · Physics 2025-04-15 Yenshembam Priyobarta Singh , Irengbam Roshila Devi , Telem Ibungochouba Singh

The EHT observation revealed event horizon-scale images of the supermassive black holes Sgr A* and M87* and these results are consistent with the shadow of a Kerr black hole as predicted by general relativity. However, Kerr-like rotating…

General Relativity and Quantum Cosmology · Physics 2024-10-10 Shafqat Ul Islam , Sushant G. Ghosh , Sunil D. Maharaj

An exact solution was recently found in the massive gravity theory having the form of Schwarzschild-dS black holes with some additional background fields. Hawking radiation will occur at the event and cosmological horizons having the…

General Relativity and Quantum Cosmology · Physics 2015-10-26 Ruifeng Dong , Dejan Stojkovic

Lorentz-Violating (LV) scenario gets involved through a bumblebee field vector field $B_\mu$. A spontaneous symmetry breaking allows the field to acquires a vacuum expectation value that generates LV into the system. A Kerr-Sen-like…

General Relativity and Quantum Cosmology · Physics 2021-05-11 Sohan Kumar Jha , Anisur Rahaman

We study greybody factors, absorption cross sections and Hawking energy-emission rates for minimally coupled massless scalar, electromagnetic and massless Dirac test fields on the loop-quantum-gravity-inspired holonomy-corrected…

General Relativity and Quantum Cosmology · Physics 2026-05-29 Bekir Can Lütfüoğlu , Javlon Rayimbaev , Bekzod Rahmatov , Saidmuhammad Ahmedov , Nuriddin Kurbonov

Motivated by the Robinson-Wilczek's recent viewpoint that Hawking radiation can be treated as a compensating energy momentum tensor flux required to cancel gravitational anomaly at the horizon of a Schwarzschild-type black hole, we…

High Energy Physics - Theory · Physics 2008-11-26 Qing-Quan Jiang , Shuang-Qing Wu , Xu Cai

We investigate the impact of quantum gravity on accretion onto a modified Schwarzschild black hole within the context of the generalized uncertainty principle (GUP). The minimal measurable length connected to GUP modifies the Schwarzschild…

General Relativity and Quantum Cosmology · Physics 2022-12-08 Anisur Rahaman

We review the current results for the emission of Hawking radiation by a higher-dimensional black hole during the Schwarzschild and the spin-down phases. We discuss particularly the role of the angular variation of the emitted radiation on…

High Energy Physics - Theory · Physics 2012-04-12 Panagiota Kanti

We obtain exact expressions for the quasinormal modes (QNMs) of the massive scalar, fermionic and vector perturbations around a rotating BTZ-like black hole in the Einstein-bumblebee gravity. We find that the Lorentz symmetry breaking (LSB)…

General Relativity and Quantum Cosmology · Physics 2026-03-27 Fangli Quan , Zhong-Wu Xia , Rui Ding , Qiyuan Pan , Jiliang Jing

We construct a new exact solution in the 5D Einstein-Maxwell-dilaton gravity describing a magnetized squashed black hole. We calculate its physical characteristics, and derive the Smarr-like relations. The Hawking radiation of the solution…

High Energy Physics - Theory · Physics 2015-06-12 Petya G. Nedkova , Stoytcho S. Yazadjiev

Inspired by the condensed matter analogues of black holes (a.k.a. dumb holes), we study Hawking radiation in the presence of a modified dispersion relation which becomes super-luminal at large wave-numbers. In the usual stationary…

General Relativity and Quantum Cosmology · Physics 2015-06-16 R. Schützhold , W. G. Unruh