Abstract
Nonlinear processes leading to growth and decay of coherent electron plasma waves are examined. Particular consideration is given to (a) the three-wave resonant interaction involving two electron waves and an ion wave, (b) paramagnetic generation by a single large amplitude electron wave, and (c) nonlinear Landau damping due to wave-wave particle interaction. Computed results are given for the ion wave amplitude in (a), the threshold level in (b), and the damping and growth of the waves in (c), the ratio of electron to ion temperature being taken as a parameter. The implications of these results for the design of experiments to observe the effects are discussed.
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