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Incessant acceleration of relativistic ions by an oblique shock wave
http://hdl.handle.net/2237/7013
http://hdl.handle.net/2237/701326f979c7-f791-4a15-beb1-5cc32f4d1f8d
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-10-23 | |||||
タイトル | ||||||
タイトル | Incessant acceleration of relativistic ions by an oblique shock wave | |||||
言語 | en | |||||
著者 |
Usami, Shunsuke
× Usami, Shunsuke× Hasegawa, Hiroki× 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 (2001) 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 | Motions of nonthermal, fast ions in an oblique shock wave are studied theoretically and numerically. After the encounter with a shock wave, some of the fast ions get to move with it. Their energies then increase once in each gyroperiod. Their momenta parallel to the magnetic field also increase. Thus, these particles eventually escape, going away ahead of the wave. However, it is theoretically predicted that under certain circumstances, owing to relativistic effects, particles cannot go faster in the direction of the shock propagation than the wave. Some particles therefore cannot escape from the wave. Accordingly, the acceleration could be repeated indefinitely. This idea is examined by means of a one-dimensional, relativistic, electromagnetic, particle simulation code with full ion and electron dynamics. The simulations demonstrate that the repeated acceleration of relativistic ions does occur. The acceleration processes were observed to continue until the end of simulation run. Also, it is shown that as the theory predicts, a higher energy particle can gain a greater amount of energy. | |||||
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/10.1063/1.1369120 | |||||
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 8, 号 6, p. 2666-2672, 発行日 2001-06 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/7013 | |||||
識別子タイプ | HDL |