Abstract
A study of the stability properties of dense partially ionized plasmas immersed in strong magnetic fields with respect to velocity driven modes is presented. The investigation is limited to modes with characteristic frequencies larger than the electron and ion diamagnetic drift frequencies but less than the ion gyro frequency. The analysis is applicable to high density rotating plasma experiments with considerable mass motion also along the magnetic field. The mass motions perpendicular and parallel to the lines of force are associated with externally applied electric fields and finite pressure gradients respectively. The presence of a third fluid, neutral gas can give rise to strong stabilizing effects within certain parameter regions also for modes actually driven by plasma-neutral gas interaction effects.
Published Version
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