Kinetic density fluctuations associated with envelope-modulated Alfven waves in a solar wind plasma

Yasuhiro Nariyuki*

*この論文の責任著者

研究成果: ジャーナルへの寄稿学術論文査読

3 被引用数 (Scopus)

抄録

A nonlinear evolution equation of envelope-modulated Alfven waves including both ion kinetic effects and ion acoustic waves (KTDNLS: kinetically modified triple-degenerated derivative nonlinear Schrodinger equation) is discussed. The consistency with the kinetic model of the ponderomotive density fluctuation (KDNLS: kinetically modified derivative nonlinear Schrödinger equation) is set as the constraint to the resultant model. To close the system, modeling of the second-order specific heat ratio is demonstrated. The transverse stability analysis of Alfven waves using the KTDNLS is carried out. The resultant nonlinear evolution equation is similar to the one obtained from the KDNLS, which shows that the ion kinetic effects enhance the transverse instabilities.

本文言語英語
論文番号043J01
ジャーナルProgress of Theoretical and Experimental Physics
2016
4
DOI
出版ステータス出版済み - 2016/04

ASJC Scopus 主題領域

  • 物理学および天文学一般

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