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Plasma oscillation modes in a low-pressure plane positive column

D A Shapiro

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The effect of the transverse nonuniformity of plane low-pressure gas discharges on LF ion-acoustic waves is investigated. The dispersion laws of the oscillation eigenmodes are found. The estimated frequency of 300 kHz for the case of an argon-laser plasma is in rough agreement with the value of 250 kHz measured by Luthi and Seelig (1977) and Donin and co-workers (1979).


PACS

52.35.Py Macroinstabilities (hydromagnetic, e.g., kink, fire-hose, mirror, ballooning, tearing, trapped-particle, flute, Rayleigh-Taylor, etc.)

52.35.Qz Microinstabilities (ion-acoustic, two-stream, loss-cone, beam-plasma, drift, ion- or electron-cyclotron, etc.)

52.40.Mj Particle beam interactions in plasmas

52.80.-s Electric discharges

Subjects

Plasma physics

Dates

Issue 10 (14 October 1987)



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