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On the Physics of Kinetic-Alfven Turbulence (1305.0582v1)
Published 2 May 2013 in physics.plasm-ph, astro-ph.GA, astro-ph.SR, and physics.space-ph
Abstract: Observations reveal nearly power-law spectra of magnetic and density plasma fluctuations at subproton scales in the solar wind, which indicates the presence of a turbulent cascade. We discuss the three-field and two-field models for micro-scale plasma fluctuations, and then present the results of numerical simulations of a two-field model of kinetic-Alfven turbulence, which models plasma motion at sub-proton scales.