Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2010-06-18
Astrophys. Space Sci.331:151-162, 2011
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
20 pages, 15 figures, accepted for publication in Astrophys. Space Sci
Scientific paper
10.1007/s10509-010-0430-y
We re-formulate the 3+1 GRMHD equations for the Schwarzschild black hole in a Veselago medium. Linear perturbation in rotating (non-magnetized and magnetized) plasma is introduced and their Fourier analysis is considered. We discuss wave properties with the help of wave vector, refractive index and change in refractive index in the form of graphs. It is concluded that some waves move away from the event horizon in this unusual medium. We conclude that for the rotating non-magnetized plasma, our results confirm the presence of Veselago medium while the rotating magnetized plasma does not provide any evidence for this medium.
Mukhtar Noureen
Sharif Mai
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