Induced Scattering and Velocity Space Diffusion Due to Nonlinear Landau Damping of Electromagnetic and Electrostatic Waves in a Plasma
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概要
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The kinetic wave equation for nonlinear wave-particle scattering (nonlinear Landau damping) of electromagnetic and electrostatic waves in a homogeneous unmagnetized plasma and the velocity space diffusion equation which describes a distortiort of a velocity distribution function are derived from Vlasov-Maxwell equations byperturbation theory. The nonlinear wave-particle coupling coefficient in the kineticwave equation and the velocity space diffusion coefficient are expressed by four-ordertensors which can be also applied to the cases in which two scattering waves are electrostatic or partially electrostatic. The conservation laws for total energy and momenturn densities of waves and particles are confirmed, and the time evolutions for energyand momentum densities of particles are given by means of nonlinear wave-particlecoupling coefficients.Iinduced scattering, energy conservation, momentum conservation, energy l[ transfer, theoryl
- 社団法人日本物理学会の論文
- 1990-10-15
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