Discussion on some characteristics of the Charged Brane-world Black holes

Details Discussion on some characteristics of the Charged Brane-world Black holes Discussion on some characteristics of the Charged Brane-world Black holes

2008-09-15

arxiv.org/abs/0809.2474v1

Int.J.Mod.Phys.A24:719-739,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

23 pages, 9 figures. To be appeared in Int.J.Mod.Phys.A

Scientific paper

10.1142/S0217751X09042542

Several physical natures of charged brane-world black holes have been investigated. At first, time-like and null geodesics of the charged brane-world black holes are presented. We also analyze all the possible motions by plotting the effective potentials for various parameters for circular and radial geodesics. Secondly, we investigate the motion of test particles in the gravitational field of charged brane-world black holes using Hamilton-Jacobi (H-J) formalism. We have considered charged and uncharged test particles and examine its behavior both in static and non-static cases. Thirdly, thermodynamics of the charged brane-world black holes are studied. Finally, it has been also shown that there is no phenomenon of superradiance for an incident massless scalar field for this black hole.

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