IJAA  Vol.4 No.2 , June 2014
Motion of a Test Particle in the Kerr-Newman De/Anti De Sitter Space-Time
ABSTRACT

In this paper we obtain the geodesic equations of motion of a test particle (charged particle and photon) in the Kerr-Newman de/anti de Sitter black hole by using the Hamilton-Jacobi equation. We determine the positions of the inner, outer and cosmological horizons of the black hole. In terms of the effective potentials, the trajectory of the test particle within the inner horizon is studied. It appears that there are stable circular orbits of a charged particle and photon within the inner horizon and that the combined effect of the charge and rotation of the Kerr-Newman de/anti de Sitter black hole and the coupling between the charge of the test particle and the electromagnetic field of the black hole may account for this.


Cite this paper
Heisnam, S. , Meitei, I. and Singh, K. (2014) Motion of a Test Particle in the Kerr-Newman De/Anti De Sitter Space-Time. International Journal of Astronomy and Astrophysics, 4, 365-373. doi: 10.4236/ijaa.2014.42031.
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