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  1. B100 理学部/理学研究科
  2. B100a 雑誌掲載論文
  3. 学術雑誌

Damping of magnetohydrodynamic disturbances in multi-ion-species plasmas

http://hdl.handle.net/2237/8785
http://hdl.handle.net/2237/8785
25e3137f-fa29-443a-86f3-9dabdc14160a
名前 / ファイル ライセンス アクション
PhysPlasmas_13-42302.pdf PhysPlasmas_13-42302.pdf (357.8 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2007-09-27
タイトル
タイトル Damping of magnetohydrodynamic disturbances in multi-ion-species plasmas
言語 en
著者 Toida, Mieko

× Toida, Mieko

WEKO 19226

en Toida, Mieko

Search repository
Yoshiya, Takashi

× Yoshiya, Takashi

WEKO 19227

en Yoshiya, Takashi

Search repository
Ohsawa, Yukiharu

× Ohsawa, Yukiharu

WEKO 19228

en Ohsawa, Yukiharu

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 Copyright (2006) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
抄録
内容記述 The evolution of macroscopic magnetohydrodynamic disturbances across a magnetic field is studied, with particular attention to the effect of multiple ion species. Analyses are carried out on disturbances where the initial magnetic profiles are sinusoidal. Both the theory and electromagnetic simulations show that, in a single-ion-species plasma, the disturbance is undamped, with its energy oscillating between the magnetic field and ion velocity. In a multi-ion-species plasma, however, it is initially damped, owing to the phase mixing of the magnetosonic mode and the modes having ion-ion hybrid cutoff frequencies. Furthermore, it is found from long-time simulations that the amplitude of the disturbance continues to decrease in a multi-ion-species plasma. This is due to nonlinear mode couplings. The magnetic energy is irreversibly transferred to the ions.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 American Institute of Physics
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1063/1.2188404
ISSN
収録物識別子タイプ PISSN
収録物識別子 1070-664X
書誌情報 en : PHYSICS OF PLASMAS

巻 13, 号 4, p. 042302-042302, 発行日 2006-04
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/8785
識別子タイプ HDL
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