English
Related papers

Related papers: Greybody Factors for Brane Scalar Fields in a Rota…

200 papers

In the context of brane-world theories, the production cross-section for black holes may be greatly enhanced. Such black holes can in principle lead to detectable signals via their Hawking evaporation to brane-localized modes. We calculate,…

High Energy Physics - Phenomenology · Physics 2009-11-07 Panagiota Kanti , John March-Russell

We perform a comprehensive study of the emission of massive scalar fields by a higher-dimensional, simply rotating black hole both in the bulk and on the brane. We derive approximate, analytic results as well as exact numerical ones for the…

High Energy Physics - Theory · Physics 2012-05-23 P. Kanti , N. Pappas

We study the emission of scalars into the bulk from a higher-dimensional rotating black hole. We obtain an analytic solution to the field equation by employing matching techniques on expressions valid in the near-horizon and far-field…

High Energy Physics - Theory · Physics 2008-11-26 S. Creek , O. Efthimiou , P. Kanti , K. Tamvakis

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

We study the emission of fermion and gauge boson degrees of freedom on the brane by a rotating higher-dimensional black hole. Using matching techniques, for the near-horizon and far-field regime solutions, we solve analytically the…

High Energy Physics - Theory · Physics 2008-11-26 S. Creek , O. Efthimiou , P. Kanti , K. Tamvakis

We study the emission of scalar fields into the bulk from a six-dimensional rotating black hole pierced by a 3-brane. We determine the angular eigenvalues in the presence of finite brane tension by using the continued fraction method. The…

High Energy Physics - Theory · Physics 2008-11-26 Tsutomu Kobayashi , Masato Nozawa , Yu-ichi Takamizu

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

We study the emission of Hawking radiation in the form of scalar fields from a (4+n)-dimensional, rotating black hole on the brane. We perform a numerical analysis to solve both the radial and angular parts of the scalar field equation, and…

High Energy Physics - Theory · Physics 2010-11-19 C. M. Harris , P. Kanti

We study theoretical aspects of the rotating black hole production and evaporation in the extra dimension scenarios with TeV scale gravity, within the mass range in which the higher dimensional Kerr solution provides good description. We…

High Energy Physics - Theory · Physics 2014-11-18 Daisuke Ida , Kin-ya Oda , Seong Chan Park

The production of black holes in extra-dimensional brane-world theories can lead to detectable signals via the Hawking evaporation of the black hole to brane-localised Standard Model modes. We calculate, as a function of partial wave number…

High Energy Physics - Phenomenology · Physics 2008-11-26 Panagiota Kanti , John March-Russell

The present works complements and expands a previous one, focused on the emission of scalar fields by a (4+n)-dimensional rotating black hole on the brane, by studying the emission of gauge fields on the brane from a similar black hole. A…

High Energy Physics - Theory · Physics 2010-12-23 M. Casals , P. Kanti , E. Winstanley

The absorption and emission spectra for the minimally-coupled brane and bulk scalar fields are numerically computed when the spacetime is a $5d$ rotating black hole carrying the two different angular momentum parameters $a$ and $b$. The…

High Energy Physics - Theory · Physics 2009-11-11 Eylee Jung , D. K. Park

We start our analysis by deriving a master equation that describes the motion of a field with arbitrary spin $s$ on a 3-brane embedded in a non-rotating, uncharged (4+n)-dimensional black hole background. By numerical analysis, we derive…

High Energy Physics - Phenomenology · Physics 2009-11-10 Chris M. Harris , Panagiota Kanti

We study the emission of scalar particles from a class of near-extremal five dimensional black holes and the corresponding D-brane configuration at high energies. We show that the distribution functions and the black hole greybody factors…

High Energy Physics - Theory · Physics 2016-08-24 Saurya Das , Arundhati Dasgupta , Tapobrata Sarkar

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

The absorption and emission problems of the brane-localized and bulk scalars are examined when the spacetime is a $(4+n)$-dimensional Reissner-Nordstr\"{o}m black hole. Making use of an appropriate analytic continuation, we compute the…

High Energy Physics - Theory · Physics 2009-11-11 Eylee Jung , D. K. Park

Following the Regge-Wheeler algorithm, we derive a radial equation for the brane-localized graviton absorbed/emitted by the $(4+n)$-dimensional Schwarzschild black hole. Making use of this equation the absorption and emission spectra of the…

High Energy Physics - Theory · Physics 2007-05-23 D. K. Park

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

We calculate the emission and absorption rates of fixed scalars by the near-extremal five-dimensional black holes that have recently been modeled using intersecting D-branes. We find agreement between the semi-classical and D-brane…

High Energy Physics - Theory · Physics 2009-07-09 C. G. Callan , S. S. Gubser , I. R. Klebanov , A. A. Tseytlin

We have studied the wave dynamics and the energy absorption problem for the scalar field as well as the brane-localized gravitational field in the background of a braneworld black hole. Comparing our results with the four-dimensional…

High Energy Physics - Theory · Physics 2008-11-26 Lihui Liu , Bin Wang , Guohong Yang
‹ Prev 1 2 3 10 Next ›