3D Hall MHD Modeling of Solar Wind Plasma Spectra

Details 3D Hall MHD Modeling of Solar Wind Plasma Spectra 3D Hall MHD Modeling of Solar Wind Plasma Spectra

2009-11-11

arxiv.org/abs/0911.2195v1

Physics

Space Physics

To appear in the Proceedings of Solar Wind 12

Scientific paper

We present fully self consistent 3D simulations of compressible Hall MHD plasma that 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.

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