Region of Magnetic Dominance near a Rotating Black Hole

被引：0
|
作者：
V. Karas
M. Dovčiak
机构：
来源：
General Relativity and Gravitation | 1997年 / 29卷
关键词：
GALAXIES: JETS; GALAXIES: NUCLEI; BLACK HOLE PHYSICS;
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学科分类号：
摘要：
Processes of collimation of electrically charged particles near a rotating black hole are discussed. It is assumed that the black hole is immersed in a weak magnetic field aligned with rotation axis. This situation is relevant for understanding pre-collimation of astrophysical jets. The magnetic field affects the motion of material and restricts the validity of various scenarios which use the test-particle (cold plasma) approximation. A simplified criterion to estimate the relevance of this approximation is discussed in connection with the mechanism of the dissipative collimation, as proposed by de Felice and Curir.
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页码：1011 / 1022
页数：11
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