Electrostatic instabilities near the lower‐hybrid frequency excited by a large‐amplitude pump

Instabilities of a magnetized plasma subjected to a large‐amplitude dipole field oscillating at a frequency near the lower‐hybrid frequency are investigated by numerically solving the linear dispersion relation. Besides the usual parametric instabilities, additional modes are driven unstable at high...

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Bibliographic Details
Published in:The Physics of fluids (1958) 1986-04, Vol.29 (4), p.1113-1119
Main Authors: Rambo, P. W., DeGroot, J. S.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Waves, oscillations, and instabilities in plasmas and intense beams
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Summary:Instabilities of a magnetized plasma subjected to a large‐amplitude dipole field oscillating at a frequency near the lower‐hybrid frequency are investigated by numerically solving the linear dispersion relation. Besides the usual parametric instabilities, additional modes are driven unstable at higher harmonics of the pump frequency. The relevance of these modes to plasma heating is discussed.
ISSN:0031-9171
2163-4998
DOI:10.1063/1.865909