Nonlinear parallel Alfven waves in cometary plasmas

Details Nonlinear parallel Alfven waves in cometary plasmas Nonlinear parallel Alfven waves in cometary plasmas

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...86..273v&link_type=abstract

Icarus (ISSN 0019-1035), vol. 86, July 1990, p. 273-282. Research supported by FNRS.

Statistics

Applications

20

Cold Plasmas, Comets, Magnetohydrodynamic Waves, Perturbation Theory, Schroedinger Equation, Solar Wind, Solitary Waves, Comets, Plasma, Alfven Waves, Magnetohydrodynamics, Magnetic Field, Ions, Pickup, Calculations, Numerical Methods, Evolution, Wave, Equilibrium, Stability, Procedure, Parameters, Theoretical Studies

Scientific paper

The present self-consistent reductive perturbation treatment of parallel MHD wave propagation in cold plasmas addresses cometary plasmas, and gives attention to a multispecies characterization of these propagation phenomena in which different plasma constituents have differing equilibrium drifts. The wave magnetic field obeys a derivative nonlinear Schroedinger equation, whose soliton solutions encompass those cometary plasma applications in which slow cometary ions are picked up by the fast-flowing solar wind; such solitons are wider than those in the nonstreaming case, for a given maximum amplitude.

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