期刊
PHYSICAL REVIEW A
卷 95, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.95.062511
关键词
-
资金
- Ministry of Education and Science of the Russian Federation [3.5397.2017/BY]
- National Science Center (Poland) [2012/04/A/ST2/00105]
We investigate electron-correlation effects in the g factor of the ground state of Li-like ions. Our calculations are performed within the nonrelativistic quantum electrodynamics (NRQED) expansion up to two leading orders in the fine-structure constant alpha, alpha(2), and alpha(3). The dependence of the NRQED results on the nuclear charge number Z is studied and the individual 1/Z-expansion contributions are identified. Combining the obtained data with the results of the all-order (in Z alpha) calculations performed within the 1/Z expansion, we derive unified theoretical predictions for the g factor of light Li-like ions.
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