Statistics – Computation
Scientific paper
Apr 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...315..504l&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 315, April 15, 1987, p. 504-535.
Statistics
Computation
162
Accretion Disks, Black Holes (Astronomy), Collimation, Force-Free Magnetic Fields, Radio Jets (Astronomy), Stellar Mass Accretion, Computational Astrophysics, Viscous Flow
Scientific paper
The global electrodynamics of a viscous resistive accretion disk around a Schwarzschild black hole with a force-free plasma outside of the disk is worked out. The magnetic field in the disk is assumed to include a well-ordered component. The magnetic field and fluid dynamics of the disk are tested, simplifying the induction equation and solving for the flux function and the toroidal magnetic field. A Green's function method is used to obtain far-field solutions of the basic electromagnetic field equation for the plasma outside of the disk. The solutions are found to include self-collimated electromagnetic jets. The overall energy conservation for the disk-jet system is considered, and a global condition is derived which imposes an upper bound on the reaction of the accretion luminosity which can be carried away by the jets.
Lovelace Richard V. E.
Sulkanen Martin E.
Wang John C. L.
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