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Numerical studies on ultrarelativistic ion motions in an oblique magnetosonic shock wave
http://hdl.handle.net/2237/14203
http://hdl.handle.net/2237/14203f82b808e-5786-4929-9f89-8e11d18b1868
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physics_of_plasmas_16_12_122104.pdf (308.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-10-14 | |||||
タイトル | ||||||
タイトル | Numerical studies on ultrarelativistic ion motions in an oblique magnetosonic shock wave | |||||
言語 | en | |||||
著者 |
Usami, Shunsuke
× Usami, Shunsuke× Horiuchi, Ritoku× Ohsawa, Yukiharu |
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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 (2009) 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. | |||||
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内容記述 | The motion of ultrarelativistic ions in an oblique magnetosonic shock wave is studied analytically and numerically. The zeroth-order theory predicts that an oblique shock wave can accelerate ions in the direction nearly parallel to the magnetic field if the shock speed is vsh ∼ c cos θ, where θ is the angle between the wave normal and the magnetic field, while the perturbation is a one-dimensional oscillation nearly perpendicular to the zeroth-order motion. The perturbation frequency ω is of the order of Ωi0γ^−1/2, where γ is the Lorentz factor of the zeroth-order velocity. These theoretical predictions are examined with test particle simulations, in which the test particle orbits are calculated with use of the electromagnetic fields of a shock wave obtained from an electromagnetic particle simulation. The zeroth-order and perturbed motions in the simulations are explained by the theory. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
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言語 | en | |||||
出版者 | American Institute of Physics | |||||
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言語 | eng | |||||
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資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
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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/10.1063/1.3270110 | |||||
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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 16, 号 12, p. 122104-122104, 発行日 2009-12 |
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値 | publisher | |||||
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識別子 | http://hdl.handle.net/2237/14203 | |||||
識別子タイプ | HDL | |||||
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識別子 | http://dx.doi.org/10.1063/1.3270110 | |||||
識別子タイプ | DOI |