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Simulation Study of Trapped Electron Effects on Positron Acceleration by a Shock Wave in an Electron–Ion–Positron Plasma
http://hdl.handle.net/10655/00012667
http://hdl.handle.net/10655/000126673236285e-ef84-4d94-9ed4-cc338c492619
名前 / ファイル | ライセンス | アクション |
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J.Phys.Soc.Jpn90_pp014501 (2.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-11-02 | |||||
タイトル | ||||||
タイトル | Simulation Study of Trapped Electron Effects on Positron Acceleration by a Shock Wave in an Electron–Ion–Positron Plasma | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
TOIDA, Mieko
× TOIDA, Mieko |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-2691-5068 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Positron acceleration by a shock wave in an electron–ion–positron plasma is studied with two-dimensional (2D), relativistic, electromagnetic particle simulations with special attention to effects of electrons trapped in the shock wave. It is demonstrated that ultrarelativistic positron acceleration can occur even when the fluctuations along the shock front, which we call 2D fluctuations, excited by the trapped electrons grow to large amplitudes. Further, by comparing the results of the simulation and the calculation of test positrons not influenced by the 2D fluctuations, we show that the positrons influenced by the 2D fluctuations are accelerated to higher energies than the positrons not influenced by them. In addition to the parallel electric field formed in the shock transition region, the perpendicular electric field in the shock wave greatly contributes to the ultrarelativistic positron acceleration under the influence of the 2D fluctuations. Effects of the accelerated positrons on the 2D fluctuations are also discussed. | |||||
書誌情報 |
Journal of the Physical Society of Japan 巻 90, 号 1, p. 014501, 発行日 2020-12-17 |
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出版者 | ||||||
出版者 | The Physical Society of Japan | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00319015 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00704814 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.7566/JPSJ.90.014501 | |||||
権利 | ||||||
権利情報 | ©2021 The Physical Society of Japan | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.7566/JPSJ.90.014501 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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