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Finite Larmor radius effects on the coupled trapped electron and ion temperature gradient modes
Department of Electrical and Computer Engineering, National Technical University of Athens.
Department of Physics, Aristotle University of Thessaloniki.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Astronomy and Space Physics, Theoretical Astrophysics.
2007 (English)In: Physics of Plasmas, ISSN 1070-664X, Vol. 14, no 9, 092504- p.Article in journal (Refereed) Published
Abstract [en]

The properties of the coupled trapped electron and toroidal ion temperature gradient modes are investigated using the standard reactive fluid model and taking rigorously into account the effects attributed to the ion polarization drift and to the drifts associated with the lowest-order finite ion Larmor radius effects. In the flat density regime, where the coupling between the modes is relatively weak, the properties of the unstable modes are slightly modified through these effects. For the peak density regions, where the coupling of the modes is rather strong, these second-order drifts determine the spectra of the unstable modes near the marginal conditions.

Place, publisher, year, edition, pages
2007. Vol. 14, no 9, 092504- p.
Keyword [en]
plasma density, plasma flow, plasma temperature, plasma toroidal confinement
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-13987DOI: 10.1063/1.2768938ISI: 000249787600022OAI: oai:DiVA.org:uu-13987DiVA: diva2:41757
Available from: 2008-01-30 Created: 2008-01-30 Last updated: 2011-01-26Bibliographically approved

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