Application of Nonlinear Plasma Physics to Space Physics

Work on the importance of parametric instabilities for modification of the ionosphere by strong radio wave heating was continued under this contract. The saturation mechanism for the amplitude of these instabilities was determined. A new mechanism for wave-wave coupling was discovered and invoked to...

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Bibliographic Details
Main Authors: Kulsrud,Russell M, Perkins,Francis W
Format: Report
Language:English
Subjects:
Atmospheric Physics
HEATING
INSTABILITY
IONOSPHERIC MODIFICATION
Parametric instabilities
Plasma heating
Plasma Physics and Magnetohydrodynamics
PLASMAS(PHYSICS)
RADIO WAVES
Radiofrequency Wave Propagation
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Summary:Work on the importance of parametric instabilities for modification of the ionosphere by strong radio wave heating was continued under this contract. The saturation mechanism for the amplitude of these instabilities was determined. A new mechanism for wave-wave coupling was discovered and invoked to explain the many field-aligned plasma density striation phenomena which occurred in the ionospheric heating experiments.