Physics – Plasma Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1306..160s&link_type=abstract
NEW FRONTIERS IN ADVANCED PLASMA PHYSICS. AIP Conference Proceedings, Volume 1306, pp. 160-168 (2010).
Physics
Plasma Physics
Plasma Magnetohydrodynamics, Plasma Turbulence, Whistlers, Magnetohydrodynamic Waves, Plasma Density, Magnetohydrodynamics, Plasma Turbulence, Electromagnetic Waves, Magnetohydrodynamic Waves, Plasma Kinetic Equations
Scientific paper
The Hall MHD description of magnetized plasma is invoked in many space, laboratory and astrophysical plasmas when the characteristic frequency is bigger than the ion cyclotron frequency where the MHD description is inapplicable. In this paper, we present fully self consistent 3D simulations of compressible Hall MHD plasma to describe spectral features relevant to the solar wind plasma. We find that a k-7/3 spectrum sets in for the fluctuations that are smaller than ion gyro radius. We further investigate scale dependent anisotropy led by nonlinear processes relevant to the solar wind plasma. Our work is important particularly in understanding the role of wave and nonlinear cascades in the evolution of the solar wind, structure formation at the largest scales.
Kant Shukla Padma
Shaikh Dastgeer
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