Energetics of magnetized black holes: effective ergospheres and superradiance

The model of a black hole rotating in an external magnetic field is considered. The mechanisms of the energy extraction from the black hole in terms of the effective ergospheres for charged particles are described. It is shown that the external magnetic field essentially influences the boundaries of...

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Bibliographic Details
Published in:	Astrophysics and space science Vol. 143; no. 2; pp. 301 - 316
Main Authors:	ALIEV, A. N, GAL'TSOV, D. V
Format:	Journal Article
Language:	English
Published:	Dordrecht Kluwer 01-04-1988
Subjects:	Astronomy Earth, ocean, space Exact sciences and technology Fundamental aspects of astrophysics Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations Relativity and gravitation Electrodynamics Einstein Maxwell equation Charged black hole Magnetic field Physical properties Charged particle
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Summary:	The model of a black hole rotating in an external magnetic field is considered. The mechanisms of the energy extraction from the black hole in terms of the effective ergospheres for charged particles are described. It is shown that the external magnetic field essentially influences the boundaries of the effective ergospheres and the superradiance threshold. (Author)
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0004-640X 1572-946X
DOI:	10.1007/BF00637142