Physics
Scientific paper
Jul 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994p%26ss...42..569c&link_type=abstract
Planetary and Space Science, vol. 42, no. 7, p. 569-573
Physics
6
Electric Fields, Electromagnetic Fields, Electromagnetic Wave Transmission, Magnetohydrodynamic Stability, Magnetosphere-Ionosphere Coupling, Plasma Interactions, Plasma Waves, Plasma-Electromagnetic Interaction, Ponderomotive Forces, Radio Waves, Space Plasmas, Earth Ionosphere, Earth Magnetosphere, Ionospheric Propagation, Plasma Frequencies
Scientific paper
We show that the ponderomotive coupling of electrostatic Langmuir parametric instabilities and electromagnetic filamentation instability can occur in the vicinity of the reflection level where the frequency of the high power heater radio wave, injected into space plasma by active experiments, is near the local plasma frequency. In general, the heater-generated parametric instabilites are not purely electrostatic or electromagnetic in the proximity of the critical density, but become hybrid (coupled electrostatic - electromagnetic) modes. As a result, the growth rate and bandwidth of the parametric decay line are significantly modified by the electromagnetic effects.
Chian Abraham C. -L.
Rizzato Felipe B.
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