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Z-dependent crossing of excited-state energy levels in highly charged galliumlike lanthanide atomic ions
http://hdl.handle.net/10655/00013116
http://hdl.handle.net/10655/0001311665449301-e86c-466a-ab22-bdcd0bb5c032
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-05-06 | |||||
タイトル | ||||||
タイトル | Z-dependent crossing of excited-state energy levels in highly charged galliumlike lanthanide atomic ions | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
KOIKE, Fumihiro
× KOIKE, Fumihiro× SUZUKI, Chihiro× MURAKAMI, Izumi× KATO, Daiji× TAMURA, Naoki× NAKAMURA, Nobuyuki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Extreme ultraviolet (EUV) optical transitions of lanthanide highly charged ions have been studied. The [Ni]4s24p–[Ni]4s24d and [Ni]4s24p–[Ni]4s4p2 transition lines of galliumlike lanthanide elements have been spectroscopically measured in large helical device (LHD) plasma and electron-beam ion trap (EBIT) plasma. The wavelengths for Eu ions agreed within 0.03% between the LHD and EBIT measurements. Due to the enhancement of spin-orbit interactions along with the increase of atomic number Z in 4p atomic orbitals, energy splitting between 4p1/2 and 4p3/2 orbitals increases significantly from lanthanum to lutetium, causing the crossing of Z-dependent wavelength curves. The spectral line positions and strengths are theoretically calculated by means of the multiconfiguration Dirac-Fock method. The mixing of the [Ni]4s24d and [Ni]4s4p2 configurations leads to an avoided crossing in the apparent wavelength curves. The configuration mixing makes both the [Ni]4s24p–[Ni]4s24d and [Ni]4s24p–[Ni]4s4p2 lines well visible in the EUV spectra near the level crossing point. The levels are found to cross between Z=62 and 63. | |||||
書誌情報 |
Physical Review A 巻 105, 号 3, p. 032802, 発行日 2022-03-04 |
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出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9926 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10764867 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevA.105.032802 | |||||
権利 | ||||||
権利情報 | Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. | |||||
情報源 | ||||||
関連名称 | Fumihiro Koike, Chihiro Suzuki, Izumi Murakami, Daiji Kato, Naoki Tamura, and Nobuyuki Nakamura Phys. Rev. A 105, 032802 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevA.105.032802 | |||||
関連名称 | Please use this identifier to cite or link to this item | |||||
NAIS | ||||||
13114 |