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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

Parallel electric fields in nonlinear magnetosonic waves

http://hdl.handle.net/2237/12009
http://hdl.handle.net/2237/12009
112117a3-8343-4c35-8c74-62cba2b1490e
名前 / ファイル ライセンス アクション
PhysPlasmas_14_112305.pdf PhysPlasmas_14_112305.pdf (726.6 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2009-08-03
タイトル
タイトル Parallel electric fields in nonlinear magnetosonic waves
言語 en
著者 Takahashi, Seiichi

× Takahashi, Seiichi

WEKO 30845

en Takahashi, Seiichi

Search repository
Ohsawa, Yukiharu

× Ohsawa, Yukiharu

WEKO 30846

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 (2007) 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 electric field parallel to the magnetic field, E_||, in nonlinear magnetosonic waves is studied theoretically and numerically. In the calculation of E_|| based on the conventional reductive perturbation method, the terms related to the magnetic pressure cancel, and E_|| is proportional to the electron temperature T_e. With a modified perturbation scheme assuming that the wave amplitude is in the range (m_e/m_i)^1/2<ε<1, an expression for E_|| is obtained that is proportional to the magnetic pressure in a cold plasma. Its integral along the magnetic field, F=−∫E_||ds, is proportional to ε^2m_iv^2_A. One-dimensional, fully kinetic, electromagnetic particle simulations verify the theoretical predictions for small-amplitude waves. Further, they demonstrate that eF becomes of the order of ε(m_iv^2_A+Γ_eT_e) in large-amplitude [ε~O(1)] oblique shock waves. These theory and simulations indicate that E_|| in magnetosonic waves can be strong in a strong magnetic field.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 American Institite 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/10.1063/1.2806344
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 14, 号 11, p. 112305-112305, 発行日 2007-11-15
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://dx.doi.org/10.1063/1.2806344
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/12009
識別子タイプ HDL
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