| ATOMIC AND MOLECULAR PHYSICS |
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Effect of Electron Correlations and Breit Interactions on Ground-State Fine-Structures along the Nitrogen-Like Isoelectronic Sequence |
| WANG Xiao-Lu1, LU Wen-Lai1, GAO Xiang1, LI Jia-Ming 1,2 |
| 1Department of Physics, Shanghai Key Laboratory for Laser Fabrication and Material Science, Shanghai Jiaotong University, Shanghai 2002402The Key Laboratory of Atomic and Molecular Nanosciences of the Ministry of Education, Department of Physics, Tsinghua University, Beijing 100084 |
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| Cite this article: |
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WANG Xiao-Lu, LU Wen-Lai, GAO Xiang et al 2009 Chin. Phys. Lett. 26 043101 |
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Abstract The accurate atomic data of nitrogen and nitrogen-like ions have an importance role in fusion plasma studies and astrophysics studies. The recise calculation of fine-structures is required to obtain such atomic data. Along the whole nitrogen isoelectronic sequence, the contributions of the
electron correlations, the Breit interactions and the quantum electrodynamics corrections on the ground-state fine-structures are elucidated. When Z is low, the electron correlations are important, and the Breit interactions, which cannot be neglected cause interesting anomalous fine-structure splittings. When Z is high, the electron correlations are less important, and the Breit interactions are important in addit
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| Keywords:
31.25.-v
31.30.Jv
32.10.Fn
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Received: 24 September 2008
Published: 25 March 2009
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