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          Institute: MPI für extraterrestrische Physik     Collection: Theory & Complex Plasmas     Display Documents



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ID: 10810.0, MPI für extraterrestrische Physik / Theory & Complex Plasmas
Self-magnetization of protoplanetary accretion disk matter
Authors:Wiechen, Heinz; Birk, Guido T.; Kopp, Andreas; Lesch, Harald
Language:English
Date of Publication (YYYY-MM-DD):2002
Title of Journal:Physics of Plasmas
Journal Abbrev.:Phys. Plasmas
Volume:9
Issue / Number:10
Start Page:4285
End Page:4292
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Shear-flow induced friction between neutral gas and charged particle components of different mass can yield a significant self-magnetization of matter. In this paper this process is discussed with respect to protoplanetary disk matter consisting of charged massive dust grains, neutral gas, ions and electrons. Self-consistent three-dimensional multi-fluid plasma-neutral gas-dust simulations are presented taking into account typical parameters for protoplanetary accretion disk matter like that of our early solar system. The results of the simulations show that self induced magnetic fields of 10(-5) Tesla up to 10(-3) Tesla can be expected in a protoplanetary accretion disk on very short time scales of a few years. Thus, shear-flow induced self-magnetization can yield a significant contribution to the magnetization of the early solar system. (C) 2002 American Institute of Physics.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für extraterrestrische Physik
External Affiliations:Max Planck Inst Extraterr Phys, Ctr Interdisciplinary Plasma; Sci, D-85748 Garching, Germany; Ruhr Univ Bochum, D-44780 Bochum, Germany; Univ Munich, Inst Astron & Astrophys, D-81679 Munich, Germany; Ctr Interdisciplinary Plasma Sci, Garching, Germany
Identifiers:ISI:000178095700023
ISSN:1070-664X
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