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Calculations on the hyperfine constants of the ground states for lithium-like system |
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| Authors: | Wu Xiao-Li Yu Kai-Zhi Gou Bing-Cong Zhang Meng |
| Affiliation: | Department of Physics, Beijing Institute of Technology, Beijing 100081, China; School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510631, China; Department of Physics, East China University of Science and Technology, Shanghai 200237, China |
| Abstract: | In this paper a relativistic many-body perturbation calculation isperformed to calculate the hyperfine constants of the ground statesfor lithium-like isoelectronic sequence. Zeroth-order hyperfineconstants are calculated with Dirac--Fock wavefunctions, and thefinite basis sets of the Dirac--Fock equations are constructed by Bsplines. With the finite basis sets, the core polarization and thecorrelation effect are evaluated. |
| Keywords: | hyperfine constant many-body perturbation calculation lithium-like ion |
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