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Nonlinear generation of zonal flows by ion-acoustic waves in a uniform magnetoplasma
Umeå University, Faculty of Science and Technology, Department of Physics. Institut für Theoretische Physik IV, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany.
Umeå University, Faculty of Science and Technology, Department of Physics. Institut für Theoretische Physik IV, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany.
2010 (English)In: Physics Letters A, ISSN 0375-9601, E-ISSN 1873-2429, Vol. 374, no 4, 592-594 p.Article in journal (Refereed) Published
Abstract [en]

It is shown that large-scale zonal flows (ZFs) can be excited by Reynolds stress of nonlinearly interacting random phase ion-acoustic waves (EIAWs) in a uniform magnetoplasma. Since ZFs are associated with poloidal sheared flows, they can tear apart short scale EIAW turbulence eddies, and hence contribute to the reduction of the cross-field turbulent transport in a magnetized plasma. (C) 2009 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2010. Vol. 374, no 4, 592-594 p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-109584DOI: 10.1016/j.physleta.2009.11.044ISI: 000274485000019OAI: oai:DiVA.org:umu-109584DiVA: diva2:858556
Available from: 2015-10-02 Created: 2015-10-01 Last updated: 2017-12-01Bibliographically approved

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Shukla, NitinShukla, Padma Kant
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