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Filamentation Instability of Nonlinear Alfvén Waves and Plasma Heating associated with Recombination Effect

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Abstract

We investigate plasma heating associated with the effect of recombination and the filamentation instability of Alfvén waves propagating along homogeneous magnetic field in low-beta plasmas, by using an MHD simulation code. The linear instability of Alfvén waves leading to the filamentation is investigated by imposing small density perturbations across a magnetic field. We show results of the nonlinear stage of the above filamentation instability and the plasma heating through a two-dimensional simulation. It is shown that the plasma heating is caused by localized heating and whole heating, which are associated with the filamentation instability and the effect of recombination, respectively. We discuss the implication of these results for plasma heating processes observed in the chromosphere of the Sun.

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Authors and Affiliations

  1. Laboratory of Plasma Astrophysics, Faculty of Engineering, Toyama University, 3190, Gofuku, Toyama, 930, Japan

    M. Suzuki & J. I. Sakai

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  1. M. Suzuki
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  2. J. I. Sakai
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Suzuki, M., Sakai, J.I. Filamentation Instability of Nonlinear Alfvén Waves and Plasma Heating associated with Recombination Effect. Solar Physics 178, 43–53 (1998). https://doi.org/10.1023/A:1005000319171

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  • DOI: https://doi.org/10.1023/A:1005000319171

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