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This paper investigates the greybody factor for a non accelerated black hole with modified Maxwell electrodynamics in an anti-de Sitter regime. For this purpose, we compute the radial equation for a massless scalar field with the help of…

General Relativity and Quantum Cosmology · Physics 2023-12-12 M. Sharif , A. Raza

In this paper, the greybody factor is studied analytically for a rotating regular Bardeen black hole surrounded by perfect fluid dark matter. Firstly, we examine the behavior of effective potential by using the radial equation of motion…

General Relativity and Quantum Cosmology · Physics 2022-01-05 M. Sharif , Sulaman Shaukat

In this paper, we formulate an analytical expression of greybody factor in the context of rotating Bardeen black hole which is valid in low energy and low angular momentum region. Primarily, we analyze the profile of effective potential…

General Relativity and Quantum Cosmology · Physics 2019-12-09 M. Sharif , Qanitah Ama-Tul-Mughani

In this paper, we formulate an analytic expression of the greybody factor for the Kerr-Newman black hole in the presence of the quintessential field. Primarily, we analyze the profile of effective potential by transforming the radial…

General Relativity and Quantum Cosmology · Physics 2020-01-30 M. Sharif , Qanitah Ama-Tul-Mughani

We investigate the propagation of scalar fields in the gravitational background of higher-dimensional, electrically charged, regular de Sitter black holes. Using an approximate analytical approach, we derive expressions for the greybody…

General Relativity and Quantum Cosmology · Physics 2025-04-18 Md Sabir Ali , A. Naveena Kumara , Kartheek Hegde , C. L. Ahmed Rizwan , Shreyas Punacha , K. M. Ajith

We study the greybody factors of the scalar fields in spherically symmetric Einstein-Gauss-Bonnet-de Sitter black holes in higher dimensions. We derive the greybody factors analytically for both minimally and non-minimally coupled scalar…

High Energy Physics - Theory · Physics 2018-05-08 Cheng-Yong Zhang , Peng-Cheng Li , Bin Chen

We perform a thorough study of greybody factors for minimally-coupled scalar fields propagating on the background of rotating black holes in higher (odd) dimensions with all angular momenta set equal. For this special case, the solution…

General Relativity and Quantum Cosmology · Physics 2015-03-06 Rogério Jorge , Ednilton S. de Oliveira , Jorge V. Rocha

In this work we derive a general expression for the greybody factor of non-minimally coupled scalar fields in Reissner-Nordstr\"om-de Sitter spacetime in low frequency approximation. In particular case of zero momentum, greybody factor…

General Relativity and Quantum Cosmology · Physics 2018-06-06 Jamil Ahmed , K. Saifullah

In this paper, we investigated the Dirac and Klein-Gordan equations, as well as the greybody factor for a Schwarzschild black hole (SBH) immersed in quintessence and associated with a cloud of strings. Primarily, we study the Dirac equation…

General Relativity and Quantum Cosmology · Physics 2022-02-02 Ahmad Al-Badawi

In this article, the quasinormal modes and greybody factor of charged black hole in non-commutative geometry are studied. Under the assumption of a uniformly distributed charge within the matter, we obtain the metric for a charged black…

General Relativity and Quantum Cosmology · Physics 2025-07-11 Shi-Jie Ma , Rui-Bo Wang , Tian-Chi Ma , He-Xu Zhang , Jian-Bo Deng , Xian-Ru Hu

We study the radiative properties of a spherical and singularity-free black-hole geometry recently proposed in the literature. Contrary to the Schwarzschild spacetime, this geometry is geodesically complete and regular, and, instead of the…

General Relativity and Quantum Cosmology · Physics 2025-07-23 Asier Alonso-Bardaji , David Brizuela , Marc Schneider

Gravitational greybody factors are analytically computed for static, spherically symmetric black holes in d-dimensions, including black holes with charge and in the presence of a cosmological constant (where a proper definition of greybody…

High Energy Physics - Theory · Physics 2012-01-27 Troels Harmark , Jose Natario , Ricardo Schiappa

We study the greybody factor and Hawking radiation for a scalar field coupling to Einstein's tensor in the background of Reissner-Nordstr\"om black hole in the low-energy approximation. We find that the presence of the coupling terms…

General Relativity and Quantum Cosmology · Physics 2015-03-17 Songbai Chen , Jiliang Jing

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

In light of the recently discovered connection between grey-body factors and quasinormal ringing, we derive analytic expressions for the grey-body factors of generic parametrized spherically symmetric and asymptotically flat black holes.…

General Relativity and Quantum Cosmology · Physics 2025-09-03 Alexey Dubinsky , Antonina F. Zinhailo

We present the wave equation for a minimally coupled scalar field in the background of a rotating four-dimensional black hole that is parametrized by its mass, angular momentum, and four independent U(1) charges. The near horizon structure…

High Energy Physics - Theory · Physics 2009-09-17 Mirjam Cvetic , Finn Larsen

Semiclassical black holes emit radiation called Hawking radiation. Such radiation, as seen by an asymptotic observer far outside the black hole, differs from original radiation near the horizon of the black hole by a redshift factor and the…

Mathematical Physics · Physics 2015-06-12 Tritos Ngampitipan , Petarpa Boonserm

The greybody factor and the Hawking temperature for a class of asymptotically flat charged dilatonic black holes are computed by using the low-energy dynamics of scalar fields in the black hole background. In the semi-classical…

High Energy Physics - Theory · Physics 2011-08-31 Wontae Kim , John J. Oh

Greybody factors in black hole physics modify the naive Planckian spectrum that is predicted for Hawking radiation when working in the limit of geometrical optics. We consider the Schwarzschild geometry in (3+1) dimensions, and analyze the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Petarpa Boonserm , Matt Visser

We study scalar perturbations of the five-dimensional rotating black holes and find an exact solution giving exact description of the Hawking radiation. Mathematically, the full solution for this s-wave mode is expressed in terms of the…

General Relativity and Quantum Cosmology · Physics 2019-06-14 Young-Hwan Hyun , Yoonbai Kim , Seong Chan Park
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