Modification of the Simon-Hoh Instability by the sheath effects in partially magnetized E × B plasmas

Modification of the Simon-Hoh Instability by the sheath effects in partially magnetized E × B plasmas

Effects of dissipation on the gradient drift modes in partially magnetized E × B plasmas are studied with emphasis on the sheath effects. It is shown that the dissipation induced instabilities driven by the density gradient and E × B drifts persist in conditions where the criteria for standard Simon...

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Veröffentlicht in:Physics of plasmas 2018-08, Vol.25 (8)
Hauptverfasser: Morin, Vincent, Smolyakov, Andrei I.
Format: Artikel
Sprache:eng
Schlagworte:
Dissipation
Plasma physics
Plasmas (physics)
Sheaths
Stability
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Zusammenfassung:Effects of dissipation on the gradient drift modes in partially magnetized E × B plasmas are studied with emphasis on the sheath effects. It is shown that the dissipation induced instabilities driven by the density gradient and E × B drifts persist in conditions where the criteria for standard Simon-Hoh instability in E × B plasmas are not satisfied.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.5044649