Stationary axisymmetric electromagnetic fields around a rotating black hole

Аннотация

The form of stationary electromagnetic fields which are axisymmetric around a rotating black hole is derived, using Teukolsky's perturbation equation. The field of a circular equatorial charged current loop around the black hole is obtained, and it is shown that in a minimum-energy configuration the black hole and the current loop contain an equal but opposite net charge. The value of this equilibrium net charge is calculated.

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DOI

10.1103/physrevd.12.2218

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