Physics
Scientific paper
Apr 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008phrva..77d2501s&link_type=abstract
Physical Review A, vol. 77, Issue 4, id. 042501
Physics
5
Relativistic And Quantum Electrodynamic Effects In Atoms, Molecules, And Ions, Determination Of Fundamental Constants, Atomic Processes And Interactions
Scientific paper
The relativistic Hartree-Fock method together with many-body perturbation theory and a configuration-interaction technique 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 a 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.
Dzuba V. A.
Savukov I. M.
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