Effect of Magnetic Diffusion in the Chromosphere on the Solar Wind
Masato Matsuoka,
Takeru K. Suzuki,
Takato Tokuno
et al.
Abstract:We investigate nonideal magnetohydrodynamical (MHD) effects in the chromosphere on the solar wind by performing MHD simulations for Alfvén-wave-driven winds, explicitly including ohmic and ambipolar diffusion. We find that MHD waves are significantly damped in the chromosphere by ambipolar diffusion so that the Alfvénic Poynting flux that reaches the corona is substantially reduced. As a result, the coronal temperature and the mass-loss rate of the solar wind are considerably reduced, compared with those obtai… Show more
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