Response of the Magnetosphere to Microscopic Effects in Auroral Arc Formation

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概要

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• A process of quiet auroral arc formation, in particular, the response of the magnetosphere to the effect of auroral energetic electrons, is studied using a holistic auroral simulation code. It consists of a three-dimensional magnetohydrodynamic code for a dipole magnetosphere-ionosphere coupling system and a one-dimensional electrostatic plasma particle code for auroral energetic electron production. Results of the holistic auroral simulation indicate that drastic variation in the ionospheric electric field, which is induced by auroral energetic electrons and propagates into the magnetosphere, influences the magnetospheric field-aligned current distribution. Furthermore, the characteristic time scale of this process is investigated.

• 社団法人 プラズマ・核融合学会の論文

著者

• OHNO Nobuaki

  University of Hyogo, 7-1-28 Minatojimaminami-machi, Chuo-ku, Kobe 650-0047, Japan

• HASEGAWA Hiroki

  National Institute for Fusion Science, 322-6 Oroshi-cho, Toki 509-5292, Japan

• SATO Tetsuya

  University of Hyogo, 7-1-28 Minatojimaminami-machi, Chuo-ku, Kobe 650-0047, Japan

関連論文

• Visualization of Particle Trajectories in Time-Varying Electromagnetic Fields by CAVE-Type Virtual Reality System
• Response of the Magnetosphere to Microscopic Effects in Auroral Arc Formation

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