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Study of Lyman-α Polarization due to Anisotropic Electron Collisions in LHD
http://hdl.handle.net/10655/00013249
http://hdl.handle.net/10655/00013249e0b62086-c7ed-4f1c-80ac-e61826d34c60
名前 / ファイル | ライセンス | アクション |
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11737_PFR (747.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-06-20 | |||||
タイトル | ||||||
タイトル | Study of Lyman-α Polarization due to Anisotropic Electron Collisions in LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Lyman-α line | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | velocity distribution function | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | polarization degree | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | VUV spectrometer | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Large Helical Device | |||||
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 |
RAMAIYA, Nilam
× RAMAIYA, Nilam× GOTO, Motoshi× OISHI, Tetsutarou× MORITA, Shigeru |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-4668-4087 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We have investigated the polarization of Lyman-α line in the Large Helical Device (LHD). A theoretical model has been developed for a quantitative understanding of the anisotropy in the electron velocity distribution function (EVDF). The present model treats an anisotropic EVDF having different electron temperatures in the directions parallel and perpendicular to the magnetic field. The steady-state time period of an electron cyclotron heated discharge has been analyzed and the comparison between the theoretical and measured polarization degrees suggests that in the edge plasma the difference between these two temperatures is approximately 10%. In addition, the dependence of the observed Lyman-α intensity on the angle of the linearly polarized light has been studied. The obtained results show that in the experimentally observed intensity the inboard side emission dominates over the emission from the outboard side and in the edge LHD plasma the electron temperature in the perpendicular direction to the magnetic field is higher than that in the parallel direction. | |||||
書誌情報 |
Plasma and Fusion Research 巻 14, 号 Special Issue 2, p. 3402083, 発行日 2019-06-03 |
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書誌的事項 | ||||||
the 27th International Toki Conference (ITC27) & the 13th Asia Pacific Plasma Theory Conference (APPTC2018) | ||||||
出版者 | ||||||
出版者 | The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880-6821 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12346675 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1585/pfr.14.3402083 | |||||
権利 | ||||||
権利情報 | (c) 2019 The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1585/pfr.14.3402083 Details | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NAIS | ||||||
11737 |