Relativistic calculations of 3s2 1S0–3s3p 1P1 and 3s2 1S0–3s3p 3P1,2 transition probabilities in the Mg isoelectronic sequence

doi:10.1088/1674-1056/20/3/033103

Abstract Using the multi-configuration Dirac–Fock self-consistent field method and the relativistic configuration-interaction method, calculations of transition energies, oscillator strengths and rates are performed for the 3s^{2 1}S₀–3s3p ¹P₁ spin-allowed transition, 3s^{2 1}S₀–3s3p ³P_1,2 intercombination and magnetic quadrupole transition in the Mg isoelectronic sequence (Mg I, Al II, Si III, P IV and S V). Electron correlations are treated adequately, including intravalence electron correlations. The influence of the Breit interaction on oscillator strengths and transition energies are investigated. Quantum electrodynamics corrections are added as corrections. The calculation results are found to be in good agreement with the experimental data and other theoretical calculations.

Keywords: transition energies oscillator strengths relativistic calculation Breit interactions

Received: 13 May 2010
Revised: 26 May 2010
Accepted manuscript online:

PACS:	31.15.ag	(Excitation energies and lifetimes; oscillator strengths)
	31.15.aj	(Relativistic corrections, spin-orbit effects, fine structure; hyperfine structure)
	31.15.am	(Relativistic configuration interaction (CI) and many-body perturbation calculations)
	31.30.jc	(Relativistic corrections to atomic structure and properties)

Fund: Project supported by the Key Program of Science and Technology Research of Ministry of Education of China (Grant No. 306020), the National Natural Science Foundation of China (Grant Nos. 10905040 and 10734040), the National High-Tech ICF Committee in China and the Yin-He Super-computer Center, Institute of Applied Physics and Mathematics, Beijing, China, and the National Basic Research Program of China (Grant Nos. 2010CB922900 and 2011CB921501).

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Cheng Cheng(程诚), Gao Xiang(高翔), Qing Bo(青波), Zhang Xiao-Le(张小乐), and Li Jia-Ming(李家明) Relativistic calculations of 3s^{2 1}S₀–3s3p ¹P₁ and 3s^{2 1}S₀–3s3p ³P_1,2 transition probabilities in the Mg isoelectronic sequence 2011 Chin. Phys. B 20 033103

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Relativistic calculations of 3s2 1S0–3s3p 1P1 and 3s2 1S0–3s3p 3P1,2 transition probabilities in the Mg isoelectronic sequence

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Relativistic calculations of 3s^{2 1}S₀–3s3p ¹P₁ and 3s^{2 1}S₀–3s3p ³P_1,2 transition probabilities in the Mg isoelectronic sequence