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Solitary fast magnetosonic waves propagating obliquely to the magnetic field in cold collisionless plasma

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Abstract

Solutions describing solitary fast magnetosonic (FMS) waves (FMS solitons) in cold magnetized plasma are obtained by numerically solving two-fluid hydrodynamic equations. The parameter domain within which steady-state solitary waves can propagate is determined. It is established that the Mach number for rarefaction FMS solitons is always less than unity. The restriction on the propagation velocity leads to the limitation on the amplitudes of the magnetic field components of rarefaction solitons. It is shown that, as the soliton propagates in plasma, the transverse component of its magnetic field rotates and makes a complete turn around the axis along which the soliton propagates.

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Authors and Affiliations

  1. Institute of Solar–Terrestrial Physics, Siberian Branch, Russian Academy of Sciences, ul. Lermontova 126a, Irkutsk, 664033, Russia

    G. N. Kichigin

Authors
  1. G. N. Kichigin
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Correspondence to G. N. Kichigin.

Additional information

Original Russian Text © G.N. Kichigin, 2016, published in Fizika Plazmy, 2016, Vol. 42, No. 1, pp. 50–57.

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Kichigin, G.N. Solitary fast magnetosonic waves propagating obliquely to the magnetic field in cold collisionless plasma. Plasma Phys. Rep. 42, 45–51 (2016). https://doi.org/10.1134/S1063780X16010074

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  • DOI: https://doi.org/10.1134/S1063780X16010074

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