Relativistic recoil, electron-correlation, and QED effects on the 2p_j-2s transition energies in Li-like ions

Details Relativistic recoil, electron-correlation, and QED effects on the 2p_j-2s transition energies in Li-like ions Relativistic recoil, electron-correlation, and QED effects on the 2p_j-2s transition energies in Li-like ions

2010-01-28

arxiv.org/abs/1001.5256v1

Phys. Rev. A 81, 042513 (2010)

Physics

Atomic Physics

39 pages, 3 figures, 11 tables

Scientific paper

10.1103/PhysRevA.81.042513

The relativistic nuclear recoil, higher-order interelectronic-interaction, and screened QED corrections to the transition energies in Li-like ions are evaluated. The calculation of the relativistic recoil effect is performed to all orders in 1/Z. The interelectronic-interaction correction to the transition energies beyond the two-photon exchange level is evaluated to all orders in 1/Z within the Breit approximation. The evaluation is carried out employing the large-scale configuration-interaction Dirac-Fock-Sturm method. The rigorous calculation of the complete gauge invariant sets of the screened self-energy and vacuum-polarization diagrams is performed utilizing a local screening potential as the zeroth-order approximation. The theoretical predictions for the 2p_j-2s transition energies are compiled and compared with available experimental data in the range of the nuclear charge number Z=10-60.

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