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J4 ›› 2012, Vol. 47 ›› Issue (11): 7-11.

• 物理学 • 上一篇    下一篇

类锂离子Ni25+和Zn27+ 2p态的精细结构分裂

陈冠军1, 黄时中2*   

  1. 1.太原师范学院物理系, 山西 太原 030031; 2.安徽师范大学物理与电子信息学院, 安徽 芜湖 241000
  • 收稿日期:2011-11-05 出版日期:2012-11-20 发布日期:2012-11-26
  • 通讯作者: 黄时中(1957- ),男,教授,博士, 研究方向为理论物理,原子结构和光谱. Email: huangsz@mail.ahnu.edu.cn
  • 作者简介:陈冠军(1980- ),男,讲师,硕士,研究方向为原子结构和光谱. Email: tynuphys@gmail.com
  • 基金资助:

    山西省自然科学基金资助项目(20120110092);安徽省自然科学基金资助项目(11040606M15)

Fine structure splitting of lithiumlike ions Ni25+ and Zn27+ 2p states

CHEN Guan-jun1, HUANG Shi-zhong2*   

  1. 1. Department of Physics, Taiyuan Normal University, Taiyuan 030031, Shanxi, China;
    2. College of Physics and Electrical Information, Anhui Normal University, Wuhu 241000, Anhui, China
  • Received:2011-11-05 Online:2012-11-20 Published:2012-11-26

摘要:

 应用MCDF(multi-configuration Dirac Fock)方法计算了类锂离子Ni25+和Zn27+ 2p态的精细结构分裂,在计算中考虑了横光子相互作用、真空极化修正和自能修正对精细结构的影响。计算Ni25+和Zn27+离子2p态的精细结构分裂分别为177512.60cm-1和239100.50cm-1,与实验值相比误差分别为16.5cm-1和13.7cm-1。横光子相互作用和自能修正的贡献较大,而真空极化修正只有很小的贡献。

关键词: Ni25+离子; Zn27+离子; MCDF; 横光子相互作用; 自能修正; 精细结构

Abstract:

Fine structure splitting of lithiumlike ions Ni25+and Zn27+2p states was calculated by using MCDF (multi-configuration Dirac Fock) method. And the effects of transverse photon interaction, vacuum polarization correction and self-energy correction were considered in the calculation. Theoretical results of fine structure splitting of 2p states for Ni25+ and Zn27+ ions are 177512.60cm-1 and 239100.50cm-1, lower than the experimental values 16.5cm-1 and 13.7cm-1 respectively. The transverse photon interaction and self-energy correction are more important to the splitting while the vacuum polarization correction is ignorable relatively.

Key words: Ni25+ ion; Zn27+ ion; MCDF; transverse photon interaction; self-energy correction; fine structure

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