【摘 要】
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Using the multi-configuration Dirac-Fock method including the Breit interactions and QED corrections, we calculate the fine-structure energy levels of the 23P,0
【机 构】
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The Key Laboratory of Atomic and Molecular Nanosciences of the Ministry of Education, Department of
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Using the multi-configuration Dirac-Fock method including the Breit interactions and QED corrections, we calculate the fine-structure energy levels of the 23P,0,1,2 states along the helium isoelectronic sequence with atomic number up to Z=36, where LS-coupling is appropriate. Our calculation results agree with the experimental results within about 1%. We elucidate the mechanism of the interesting fine-structure splittings for the 23P,0,1,2 states along the helium isoelectronic sequence, I. E. The competitions between the spin-orbit interactions and the Breit interactions which represent the relativistic retardation effect of electromagnetic interactions.
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