<RESEARCH REPORT>Integral of Wave Kinetic Equation of Drift Waves
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概要
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Integral of wave kinetic equation of electrostatic drift waves is obtained based on the weak turbulence approach for arbitrary number of modes, N. If the stationary spectrum of N modes exists, the wave amplitude is bounded for any initial conditions. The stationary spectrum, which appears only if the initial spectrum coinsides with it, is estimated to be the most probable one, if the amplitude of the stationary spectrum is large. In the presence of the spontaneous emission term, the spectrum relaxes to the stationary spectrum.
著者
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Itoh Kimitaka
Department Of Thermonuclear Fusion Research Japan Atomic Energy Research Institute
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Itoh Kimitaka
Department Of Physics Faculty Of Science University Of Tokyo
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Itoh Sanae
Institute For Fusion Theory Hiroshima Univ
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