Nonquasilinear evolution of particle velocity in incoherent waves with random amplitudes
classification
🌊 nlin.CD
math.DSphysics.plasm-ph
keywords
amplitudesincoherentwavesaccuratealwaysapproximationbecomecomplex
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The one-dimensional motion of $N$ particles in the field of many incoherent waves is revisited numerically. When the wave complex amplitudes are independent, with a gaussian distribution, the quasilinear approximation is found to always overestimate transport and to become accurate in the limit of infinite resonance overlap.
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