Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-11-03
Astrophys. Space Sci. 325(2010)227-240
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
27 pages, 11 figures, accepted for publication in Astrophys. Space Sc
Scientific paper
In this paper we examine the wave properties of hot plasma living in Schwarzschild magnetosphere. The 3+1 GRMHD perturbation equations are formulated for this scenario. These equations are Fourier analyzed and then solved numerically to obtain the dispersion relations for non-rotating, rotating non-magnetized and rotating magnetized plasma. The wave vector is evaluated which is used to calculate refractive index. These quantities are shown in graphs which are helpful to discuss the dispersive properties of the medium near the event horizon.
Rafique Asma
Sharif Mai
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