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Excitation of zonal flows by electron convective cells in a nonuniform dusty magnetoplasma
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2001 (English)In: Physics Letters A, ISSN 0375-9601, E-ISSN 1873-2429, Vol. 283, no 5-6, 371-375 p.Article in journal (Refereed) Published
Abstract [en]

It is shown that the ponderomotive force of electron convective cells can generate zonal flows (or dust convective cells) in a nonuniform magnetoplasma. For this purpose, two fluid equations are used to derive a pair of coupled equations which govern the nonlinear coupling between electron and dust convective cells. A dispersion relation for the parametric interactions is deduced from the mode coupling equations. Explicit expressions for the growth rates of electron convective cell driven zonal flows are then obtained. The relevance of our investigation to laboratory and space plasmas is pointed out.

Place, publisher, year, edition, pages
2001. Vol. 283, no 5-6, 371-375 p.
Keyword [en]
zonal flows, convective cells, magnetoplasma
National Category
Physical Sciences
Research subject
Theoretical Physics
Identifiers
URN: urn:nbn:se:umu:diva-44234DOI: 10.1016/S0375-9601(01)00254-7OAI: oai:DiVA.org:umu-44234DiVA: diva2:419473
Available from: 2011-05-26 Created: 2011-05-26 Last updated: 2017-12-11Bibliographically approved

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Shukla, PadmaStenflo, LennartWiklund, Krister
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