Alfvén-fast wave coupling in a 3D non-uniform medium
R. Davies,
A. N. Wright
Abstract:In this paper, we consider the process of Alfvén-fast wave mode coupling, through numerical simulation. We model the process using the ideal, linear magnetohydrodynamic equations on a three-dimensional Cartesian grid; assuming the cold plasma limit, β≪1. We initialize the simulation with a cylindrical Alfvén wave pulse (comprising an azimuthal magnetic field and velocity perturbations) propagating along a uniform magnetic field. The wave starts in a region where the density is uniform. As it propagates, part o… Show more
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