Abstract
Abstract : The parametric decay of an intense, coherent electromagnetic wave into a plasma wave and scattered electromagnetic waves in a homogeneous plasma (stimulated Raman scattering) is generalized to include coupling of secondary waves in the plasma. The secondary waves consist of a plasma wave harmonic and its associated mixed electromagnetic-electrostatic sidebands. Explicit results are obtained for wave amplitudes and nonlinear growth rates when gamma t or = 1, where gamma is the linear growth rate of the fundamental. It is shown that, in this regime, the nonlinear growth rate gamma sub NL is 2 gamma/3. (Author)
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