Computer Science
Scientific paper
Mar 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1216..265f&link_type=abstract
TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP Conference Proceedings, Volume 1216, pp. 265-270 (2010).
Computer Science
Whistlers, Solar Wind, Solar Corona, Magnetohydrodynamics, Electromagnetic Wave Propagation, Particle Emission, Solar Wind, Corona, Magnetohydrodynamics And Plasmas
Scientific paper
Observed properties of the strahl using high resolution 3D electron velocity distribution data obtained from the Cluster/PEACE experiment are used to investigate its linear stability. An automated method to isolate the strahl is used to allow its moments to be computed independent of the solar wind core+halo. Results show that the strahl can have a high temperature anisotropy (T⊥/T||>~2). This anisotropy is shown to be an important free energy source for the excitation of high frequency whistler waves. The analysis suggests that the resultant whistler waves are strong enough to regulate the electron velocity distributions in the solar wind through pitch-angle scattering.
F-Viñas A.
Gary Peter S.
Goldstein Michel L.
Gurgiolo Chris
Nieves-Chinchilla Teresa
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