Abstract
We present 21/2D simulations of the evolution of a vortex in the solar wind in the form of a comparison of three models: (1) MHD with dissipation, (2) MHD with the dispersive Hall term but no dissipation, and (3) hybrid simulations which treat ions as particles and electrons as a fluid. At large scales all three models predict that the vortex distorts due to a pressure imbalance and forms shock-like structures within which the current and vorticity grow. In the MHD-Hall and hybrid simulations, short wavelength dispersive waves are generated in these structures.
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References
Matthews, A.P. (1994): “Current Advance method and Cyclic Leapfrog for 2D Multispecies Hybrid Plasma Simulations”, in Journal of Computational Physics, Vol. 112, pp. 102–116.
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© 1995 Springer-Verlag Berlin Heidelberg
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Matthews, A., Grappin, R., Mangeney, A., Léorat, J. (1995). Solar wind turbulence: Comparison of MHD and hybrid simulations. In: Meneguzzi, M., Pouquet, A., Sulem, PL. (eds) Small-Scale Structures in Three-Dimensional Hydrodynamic and Magnetohydrodynamic Turbulence. Lecture Notes in Physics, vol 462. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0102439
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DOI: https://doi.org/10.1007/BFb0102439
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