SpyLOG Sergey Vladimirov: Paper "Nonlinear Alfven Waves..."

Nonlinear Alfven Waves in Magnetized Plasmas with Heavy Impurities or Dust

S.V. Vladimirov and N.F. Cramer

Physical Review E, Vol. 54, No. 6, Pp. 6762-6768 (1996)

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Abstract

Nonlinear electromagnetic wave propagation in a magnetised plasma with heavy impurities, in particular dust grains, at frequencies below and of the order of the ion-cyclotron frequency is considered. The presence of immobile dust grains leads to a considerable change of the dispersion characteristics for Alfven waves propagating along the uniform magnetic field, especially for small wavenumbers when two modes with a relatively large frequency gap appear. We discuss the consequences of this dispersion for the nonlinear properties of the waves.


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