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Dynamo-generated turbulence and outflows from accretion discs

Lookup NU author(s): Professor Axel Brandenburg

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Abstract

Local hydromagnetic simulations of accretion-disc turbulence currently provide the most convincing evidence that the origin of turbulence in discs could be the Balbus-Hawley magnetorotational instability. The main results of such calculations are high-lighted with particular emphasis on the generation of large-scale magnetic fields. Comparison with mean-field dynamo theory is made. This theory is then used to address the question of the launching and collimation of winds emanating from the disc surfaces.

Publication metadata

Author(s): Brandenburg A

Publication type: Article

Publication status: Published

Journal: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences

Year: 2000

Volume: 358

Issue: 1767

Pages: 759-776

ISSN (print): 1364-503X

ISSN (electronic): 1471-2962

Publisher: The Royal Society Publishing

URL: http://dx.doi.org/10.1098/rsta.2000.0557

DOI: 10.1098/rsta.2000.0557

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