Region of magnetic dominance near a rotating black hole
نویسنده
چکیده
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 precollimation of astrophysical jets. Magnetic field affects motion of material and restricts validity of various scenarios which adopt the test-particle (cold plasma) approximation. A simplified criterion which estimates relevance of such approximation is discussed in connection with the mechanism of the dissipative collimation, as proposed by de Felice & Curir [19].
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تاریخ انتشار 1997