Modification of Weak Turbulence Theory Due to Perturbed Orbit Effects. II. : Nonlinear Landau Damping of Electron Plasma Waves

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概要

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• The wave kinetic equation derived in our preceding paper (J. Phys. Sco. Japan 34 (1972) 1620) is applied to the investigation of the effect of finite resonance width on the nonlinear Landau damping of electron plasma waves on electrons. When the resonance width is produced by low phase-velocity waves or ion-waves, the nonlinear Landau damping is strongly modified in two respects. First, its rate is enhanced even if the total energy of the low phase-velocity waves is relatively small (of order 8×10^<-3> times the electron thermal energy for the case of an isotropic spectrum of these waves). Secondly, the Manley-Rowe relation or the conservation of the total plasmon number is violated and as a result an efficient dissipation of the electron plasma wave energy into the electron thermal energy is obtained.

• 社団法人日本物理学会の論文
• 1973-07-05

著者

• Mima Kunioki

  Department Of Physics Faculty Of Science Kyoto University

関連論文

• On the Theory of Trapped Particle Instability. II. : Stability of a Small-Amplitude B-G-K Wave
• Modification of Weak Turbulence Theory Due to Perturbed Orbit Effects. I. : General Formulation
• Modification of Weak Turbulence Theory Due to Perturbed Orbit Effects. II. : Nonlinear Landau Damping of Electron Plasma Waves
• On the Theory of Trapped Particle Instability. : I. General Formulation and Analysis for Weak Coupling Limit

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