Accretion disk coronae and the contribution to angular-momentum transport in the disk

Details Accretion disk coronae and the contribution to angular-momentum transport in the disk Accretion disk coronae and the contribution to angular-momentum transport in the disk

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...192..165b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 192, no. 1-2, March 1988, p. 165-169.

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Accretion Disks, Gravitational Fields, Interstellar Magnetic Fields, Shear Stress, Stellar Coronas, X Ray Sources, Angular Momentum, Astronomical Models, Black Holes (Astronomy), Computational Astrophysics, Solar Corona

Scientific paper

The differential rotation of an accretion disk amplifies the magnetic field in a standard thin accretion disk and drives large flux cells out of the disk which form an accretion disk corona. These cells, which are treated as force-free arcades in this paper are sheared by the same differential rotation. The reaction force of these cells that acts on the disk plasma is described in the frame work of an effective shear stress and can give a significant contribution to the total angular momentum transport in the corona-disk system.

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