Many-body calculations of relativistic energy shifts for single- and double-valence atoms

Details Many-body calculations of relativistic energy shifts for single- and double-valence atoms Many-body calculations of relativistic energy shifts for single- and double-valence atoms

2007-10-25

arxiv.org/abs/0710.4676v1

Physics

Atomic Physics

4pages, 3 tables

Scientific paper

Relativistic Hartree-Fock method together with many-body perturbation theory and configuration interaction techniques are used to calculate relativistic energy shifts for frequencies of the strong electric dipole transitions of C III, C IV, Na I, Mg I, Mg II, Al II, Al III, Si IV, Ca II and Zn II. These transitions are used for search of the variation of the fine structure constant in quasar absorption spectra. The results are in good agreement with previous calculations. The analysis of Breit contributions is also presented.

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