Velocity Space Diffusion Due to Resonant Wave-Wave Scattering of Electromagnetic and Electrostatic Waves in a Homogeneous Magnetized Plasma
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The velocity space diffusion equation which describes distortion of the velocitydistribution function due to resonant wave-wave scattering of electromagnetic andelectrostatic waves in a homogeneous magnetized plasma is derived from the Vlasov-Maxwell equations by perturbation theory. The velocity space diffusion coefficientand the nonlinear wave-wave coupling coefficient which arc expressed by three-ordertensors in the rotating and Cartesian coordinates are transformed into simple and con-venient forms in the Cartesian coordinates. By electrostatic approximation the kineticequations can be also applicable to the case where the three waves are electrostaticaltogether or partially electrostatic. The conservation laws for total energy andmomentum densities of waves and particles are verified.[velocity space diffusion, parametric instability, energy conservation, momentum l% conservation, energy transfer, kinetic theoryl[
- 社団法人日本物理学会の論文
- 1991-10-15
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