Methodological notes

The role of nonquasineutrality in instable plasma oscillations

Lomonosov Moscow State University, Faculty of Physics, Leninskie Gory 1 build. 2, Moscow, 119991, Russian Federation

Nonquasineutrality in perturbations has a destabilising influence on a plasma which is not in thermodynamic equilibrium and has a density gradient across a homogeneous axial magnetic field. This destabilising effect applies not only to short but also to long drift-dissipative instability waves. If long drift waves are excited, nonquasineutrality can also destabilise a plasma simultaneously with ion inertia. In strong magnetic fields the absence of quasineutrality of perturbations is important even when the density of charged particles is high.

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Fulltext is also available at DOI: 10.1070/PU1994v037n06ABEH000030
PACS: 52.35.Qz, 52.35.Kt (all)
DOI: 10.1070/PU1994v037n06ABEH000030
Citation: Shvilkin B N "The role of nonquasineutrality in instable plasma oscillations" Phys. Usp. 37 607–608 (1994)
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Оригинал: Швилкин Б Н «К вопросу о роли квазинейтральности в неустойчивых колебаниях в плазме.» УФН 164 651–652 (1994); DOI: 10.3367/UFNr.0164.199406f.0651

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