Density filament and helical field line structures in three dimensional Weibel-mediated collisionless shocks

Toseo Moritaka, Youichi Sakawa, Yasuhiro Kuramitsu, Taichi Morita, Yuta Yamaura, Taishi Ishikawa, Hideaki Takabe

研究成果: Contribution to journalConference article査読

抄録

Collisionless shocks mediated by Weibel instability are attracting attention for their relevance to experimental demonstrations of astrophysical shocks in high-intensity laser facilities. The three dimensional structure of Weibel-mediated shocks is investigated through a fully kinetic particle-in-cell simulation. The structures obtained are characterized by the following features: (i) helical magnetic field lines elongated in the direction upstream of the shock region, (ii) high and low density filaments inside the helical field lines. These structures originate from the interaction between counter-streaming plasma flow and magnetic vortexes caused by Weibel instability, and potentially affect the shock formation mechanism.

本文言語英語
論文番号012072
ジャーナルJournal of Physics: Conference Series
688
1
DOI
出版ステータス出版済み - 4 1 2016
イベント8th International Conference on Inertial Fusion Sciences and Applications, IFSA 2013 - Nara, 日本
継続期間: 9 8 20139 13 2013

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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