Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh53a1293m&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SH53A-1293
Astronomy and Astrophysics
Astrophysics
[2149] Interplanetary Physics / Mhd Waves And Turbulence, [2159] Interplanetary Physics / Plasma Waves And Turbulence, [2164] Interplanetary Physics / Solar Wind Plasma, [7511] Solar Physics, Astrophysics, And Astronomy / Coronal Holes
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 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.
Chandran Benjamin D.
Markovskii S.
Vasquez Bernard J.
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