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Alfvénicity of fluctuations associated with the Kelvin-Helmholtz instability
Suess, S. T.; Parhi, S.
The velocity shear which exists between three layers in an ideal plasma is studied. This configuration is modeled as a jet (or, strictly speaking, a wake) embedded in a uniform medium using a magnetohydrodynamics (MHD) code developed for astrophysical jet simulations. Weak and strong magnetic fields are considered both inside and outside the jet w…
Electron heat flux constraints in the solar wind
Gary, S. Peter; Daughton, William; Skoug, Ruth M.
Enhanced fluctuations from electromagnetic heat flux instabilities may, through wave-particle scattering, constrain the electron heat flux which flows parallel to the background magnetic field in the solar wind. A corollary of this hypothesis is that instability thresholds should correspond to observable bounds on the heat flux. Here plasma and ma…