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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

Simulation studies of positron acceleration by a shock wave

http://hdl.handle.net/2237/10301
http://hdl.handle.net/2237/10301
56bef7bf-b3ca-4013-ba0d-b385475357c8
名前 / ファイル ライセンス アクション
Ohsawa_Yukiharu_Simulation_studies_of_positron_acceleration_by_a_shock_wave_2006.pdf Ohsawa_Yukiharu_Simulation_studies_of_positron_acceleration_by_a_shock_wave_2006.pdf (346.4 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2008-07-30
タイトル
タイトル Simulation studies of positron acceleration by a shock wave
言語 en
著者 OHSAWA, YUKIHARU

× OHSAWA, YUKIHARU

WEKO 24042

en OHSAWA, YUKIHARU

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KATO, K.

× KATO, K.

WEKO 24043

en KATO, K.

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HASEGAWA, H.

× HASEGAWA, H.

WEKO 24044

en HASEGAWA, H.

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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 Cambridge University Press
抄録
内容記述 Using a relativistic electromagnetic particle code, we investigate positron acceleration in a shock wave propagating obliquely to an external magnetic field B0 in an electron-positron-ion plasma. After an encounter with a shock wave, some positrons are reflected and then accelerated along the magnetic field. They stay in the shock transition region and have velocities nearly parallel to B0. Owing to the deformation of the wave profile, the acceleration can become stagnant. However, if the shock speed υ_sh is close to c cosθ, where c is the speed of light and θ is the angle between the wave normal and B0, the acceleration can start again. In this second stage acceleration, three types of motion are found. The first type is the same as that in the first stage. In the second type, particles gain energy from the electric field perpendicular to the magnetic field in association with large-radius gyromotion. The third type of motion resembles the curtate cycloid in the wave frame. We give theoretical estimates for the energy increase in these processes.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Cambridge University Press
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/10.1017/S0022377806005307
ISSN
収録物識別子タイプ PISSN
収録物識別子 0022-3778
書誌情報 en : Journal of Plasma Physics

巻 72, 号 6, p. 919-923, 発行日 2006-12
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/10301
識別子タイプ HDL
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