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On the kinetic stability of magnetic structures in electron drift turbulence
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Astronomy and Space Physics.
2007 (English)In: Physics of Plasmas, ISSN 1070-664X, Vol. 14, no 3, 032303- p.Article in journal (Refereed) Published
Abstract [en]

The generation of large-scale magnetic fields in magnetic electron drift mode turbulence is investigated. The mechanism of magnetic Reynolds stress is elucidated with the help of kinetic theory, and a sufficient criterion in the form of Nyquist's criterion for the generation of zonal magnetic fields is developed. This criterion is then applied to a narrow wave packet, where an amplitude threshold due to finite width of the wave spectrum in k space is found.

Place, publisher, year, edition, pages
2007. Vol. 14, no 3, 032303- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-13972DOI: 10.1063/1.2646436ISI: 000245320000017OAI: oai:DiVA.org:uu-13972DiVA: diva2:41742
Available from: 2008-01-30 Created: 2008-01-30 Last updated: 2011-02-08Bibliographically approved

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