Chin. Phys. Lett.  2007, Vol. 24 Issue (5): 1214-1216    DOI:
Original Articles |
Theoretical Study of Relativistic Retardation Effects: the Abnormal Fine Structure of OII
CHEN Shao-Hao1;HAN Xiao-Ying1;WANG Xiao-Lu2;LI Jia-Ming 2,1
1Key Laboratory of Atomic and Molecular Nanosciences of Education Ministry, Department of Physics, Tsinghua University, Beijing 1000842Shanghai Key Laboratory for Laser Fabrication and Material Science, Department of Physics, Shanghai Jiao Tong University, Shanghai 200030
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CHEN Shao-Hao, HAN Xiao-Ying, WANG Xiao-Lu et al  2007 Chin. Phys. Lett. 24 1214-1216
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Abstract Using multi-configuration Dirac--Fock and relativistic configuration interaction methods with high-order corrections, we report our precise calculation results of the fine-structure energy levels of the ground-state configuration of OII (1s22s22p3). Our calculated fine-structure splittings of 2D 3/2,5/2 and 2P 1/2,3/2 are abnormal. We elucidate that the transverse (Breit) interaction, i.e. relativistic retardation effect, plays an important role for the abnormal fine-structure splittings. Our calculation results are in good agreement with experimental measurements.
Keywords: 31.30.Jv      31.15.Ar      31.10.+z     
Received: 25 September 2006      Published: 23 April 2007
PACS:  31.30.Jv  
  31.15.Ar  
  31.10.+z (Theory of electronic structure, electronic transitions, and chemical binding)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2007/V24/I5/01214
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CHEN Shao-Hao
HAN Xiao-Ying
WANG Xiao-Lu
LI Jia-Ming
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