Trapped Particle Phenomena and Nonlinear Interaction between Electromagnetic Waves and Plasmas.
CALIFORNIA UNIV LOS ANGELES DEPT OF PHYSICS
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Trapped particle phenomena are clarified by a time resolution technique. The author found that oscillatory structures cannot always be attributed to trapped particles interaction between bursts and waves could give rise to similar interference pattern. Techniques demonstrate the propagation of electron waves directly and do not require any lock-in detection techniques which tend to mask the contribution of electron bursts. in addition, new nonlinear states of electron waves are found. Greater understnading of plasma heating by electromagnetic waves is gained during the grant period. The author found that plasma heating at the cut-off location is possible and desirable, since no accessibility problem arises. The lavoratory demonstration of this effect makes direct connections to the ionospheric modification experiments. The laboratory experiment is very helpful to fusion researchers since they can now use lasers to heat plasmas at cut-offs instead of resonance. Author
- Plasma Physics and Magnetohydrodynamics