Parametric instabilities in a two ion species plasma as a driver of super Alfvénic waves

研究成果: ジャーナルへの寄稿会議記事査読

抄録

Linear dispersion relation of parametric instabilities of a left hand circularly polarized wave in a three species plasma consisting electrons, protons, and α particles is derived and the obtained dispersion relation is numerically solved. It is shown that the so-called super Alfvénic waves, which are thought to play important roles in preferential acceleration of heavy ions, can get excited through a parametric decay instability when the parent wave is on the proton cyclotron branch and the plasma beta is sufficiently low. A variety of other parametric instabilities are also generated.

本文言語英語
論文番号012013
ジャーナルJournal of Physics: Conference Series
1620
1
DOI
出版ステータス出版済み - 9月 30 2020
イベント19th Annual International Astrophysics Conference, AIAC 2020 - Santa Fe, 米国
継続期間: 3月 9 20203月 13 2020

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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