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Nonlinear drift-tearing mode instability in the presence of electrostatic microturbulence

M Y Yu, P K Shukla, G Murtaza, M Salahuddin1984年Plasma Physics and Controlled FusionIF 2.2出版社

The nonlinear interaction of drift-tearing modes in the presence of an electrostatic drift wave turbulence background is investigated. The authors assume that the interaction is significant only when the magnetic islands of the modes overlap sufficiently. It is found that there exist fast growing nonlinear instabilities driven by an effective (turbulent) electron viscosity, which may be orders of magnitude larger than the fluid viscosity.

日本語訳

ドリフト・テアリングモードの非線形相互作用が、静電ドリフト波乱流の存在下で調べられる。著者らは、この相互作用がモードの磁気島が十分に重なるときにのみ重要であると仮定する。実効的な(乱流的な)電子粘性によって駆動される高速成長の非線形不安定性が存在することが見出される。この実効粘性は、流体粘性よりも数桁大きくなり得る。

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Tearing mode
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