Journal of Plasma and Fusion Research
Print ISSN : 0918-7928
Special Topic Article : Nonlocal Transport Phenomena and Various Structure Formations in Plasmas
Nonlocal Transport Phenomena and Various Structure Formations in Plasmas 3.Nonlocality and Structure Formation in Cosmic Plasmas
Ryoji MATSUMOTO
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2002 Volume 78 Issue 9 Pages 871-877

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Abstract
Nonlocal transports of energy and angular momentum in a strophysical rotating plasmas are studied by global three-dimensional magnetohydrodynamic simulations. When the plasma torus rotating around a gravitating object is threaded by large-scale vertical magnetic fields, a bipolar jet emanates from the surface of the torus. Angular momentum extraction by these jets enhances the accretion of the torus material. Magnetic turbulence generated by the magneto-rotational instability also efficiently transports angular momentum outward. Direct numerical simulations enable us to study the evolution of the cosmic plasma torus with out assuming phenomenological viscosity.
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© 2002 by The Japan Society of Plasma Science and Nuclear Fusion Research
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