Correlation effects on the fine-structure splitting within the 3d9 ground configuration in highly-charged Co-like ions  

作　　者：郭学玲 黄敏 颜君 李双 王凯 司然 陈重阳 

机构地区：[1]Applied Ion Beam Physics Laboratory of Key Laboratory of the Ministry of Education,Fudan University,Shanghai 200433,China [2]Shanghai EBIT Lab,Institute of Modern Physics,Department of Nuclear Science and Technology,Fudan University,Shanghai 200433,China [3]Institute of Applied Physics and Computatlonal Mathematics,Bezjmg 100088,China [4]Center for Applied Physics and Technology,Peking University,Beijing 100871,China [5]Hebei Key Lab of Optic-electronic Information and materials,the College of Physics Science and Technology,Hebei University,Baoding 071002,China

出　　处：《Chinese Physics B》2016年第1期535-542,共8页中国物理B（英文版）

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.11076009 and 11374062);the Chinese Association of Atomic and Molecular Data;the Chinese National Fusion Project for ITER(Grant No.2015GB117000);the Leading Academic Discipline Project of Shanghai City,China(Grant No.B107)

摘　　要：A comprehensive theoretical study of correlation effects on the fine-structure splitting within the ground configuration 3d9 of the Co-like HI45＋, Ta46＋, W47＋, and Au52＋ ions is performed by employing the multi-configuration Dirac-Hartree- Fock method in the active space approximation. It shows that the core-valence correlation with the inner-core 2p electron is more significant than with the outer 3p and 3s electrons, and the correlation with the 2s electron is also noticeable. The core-core correlation seems to be small and can be ignored. The calculated 2D3/2,5/2 splitting energies agree with the recent electron-beam ion-trap measurements [Phys. Rev. A 83 032517 （2011）, Eur. Phys. J. D 66 286 （2012）] to within the experimental uncertainties.A comprehensive theoretical study of correlation effects on the fine-structure splitting within the ground configuration 3d9 of the Co-like HI45＋, Ta46＋, W47＋, and Au52＋ ions is performed by employing the multi-configuration Dirac-Hartree- Fock method in the active space approximation. It shows that the core-valence correlation with the inner-core 2p electron is more significant than with the outer 3p and 3s electrons, and the correlation with the 2s electron is also noticeable. The core-core correlation seems to be small and can be ignored. The calculated 2D3/2,5/2 splitting energies agree with the recent electron-beam ion-trap measurements [Phys. Rev. A 83 032517 （2011）, Eur. Phys. J. D 66 286 （2012）] to within the experimental uncertainties.

关 键 词：correlation effects multi-configuration Dirac-Hartree-Fock method high-Z Co-like ions fine- structure splitting 

分 类 号：O562[理学—原子与分子物理]