Mapping of electromagnetic negative-phase-velocity propagation in the ergosphere of a rotating black hole

Details Mapping of electromagnetic negative-phase-velocity propagation in the ergosphere of a rotating black hole Mapping of electromagnetic negative-phase-velocity propagation in the ergosphere of a rotating black hole

2005-01-24

arxiv.org/abs/astro-ph/0501522v2

New Journal of Physics 7 (2005) 171

Astronomy and Astrophysics

Astrophysics

Typographical error in eq (51) of NJP version is corrected in arxiv version

Scientific paper

We report on the occurrence of negative-phase-velocity (NPV) planewave propagation in the ergosphere of a rotating black hole. By implementing the Kerr metric, it is demonstrated that regions of NPV propagation are concentrated at the equator of the ergosphere, while NPV propagation is less common towards the polar regions. Increasing the angular velocity of the black hole exaggerates the NPV concentration at the equator. NPV propagation is not observed outside the stationary limit surface.

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