Long-Alfvén-wave trains in collisionless plasmas. II. A Landau-fluid approach

  • T. Passot
    CNRS, Observatoire de la Côte d’Azur, B.P. 4229, 06304 Nice Cedex 4, France
  • P. L. Sulem
    CNRS, Observatoire de la Côte d’Azur, B.P. 4229, 06304 Nice Cedex 4, France

説明

<jats:p>A Hall Landau-fluid model where the fluid hierarchy is closed by nonlocal dynamical equations for the heat fluxes is constructed, based on a weakly nonlinear description of long parallel Alfvén waves in a collisionless plasma. This model which is shown to accurately reproduce the above asymptotic regime, can be viewed as a first step towards the simulation of dispersive Alfvén wave turbulence with a realistic dissipation.</jats:p>

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