Hybrid Simulations of Energy Cascade among Fast Magnetosonic Waves in a Cold Plasma

Details Hybrid Simulations of Energy Cascade among Fast Magnetosonic Waves in a Cold Plasma Hybrid Simulations of Energy Cascade among Fast Magnetosonic Waves in a Cold Plasma

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1216...68m&link_type=abstract

TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP Conference Proceedings, Volume 1216, pp. 68-71 (2010).

Physics

Solar Wind, Magnetohydrodynamics, Solar Corona, Magnetic Fields, Particle Emission, Solar Wind, Magnetohydrodynamics And Plasmas, Corona, Electric And Magnetic Fields, Solar Magnetism

Scientific paper

We present hybrid simulations of the energy cascade among fast waves in the vicinity of the proton inertial scale. The plasma beta is set to low values typical of the solar corona. The cascade proceeds in the wavenumber space mostly in the direction across the mean magnetic field. The highly oblique fast waves can be efficiently dissipated on the protons by several mechanisms. The resulting proton heating is preferentially perpendicular to the magnetic field. If the wave intensity is constrained by the observed density spectra in the corona, the heating is fast enough to generate the solar wind.

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