A Magnetic Alternative to the Standard Viscous Accretion Disc

A magnetic alternative to the standard viscous accretion disc is presented. The magnetic field is generated and maintained in the disc by a dynamo mechanism. Magnetic stresses dominate in the advection of angular momentum, and only weak turbulence is needed to generate the required field.

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Bibliographic Details
Published in:International Astronomical Union Colloquium 1997, Vol.163, p.201-204
Main Author: Campbell, C.G.
Format: Article
Language:English
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Description
Summary:A magnetic alternative to the standard viscous accretion disc is presented. The magnetic field is generated and maintained in the disc by a dynamo mechanism. Magnetic stresses dominate in the advection of angular momentum, and only weak turbulence is needed to generate the required field.
ISSN:0252-9211
DOI:10.1017/S0252921100042640