Relativistic corrections to transition frequencies of Fe I and search for variation of the fine structure constant

Details Relativistic corrections to transition frequencies of Fe I and search for variation of the fine structure constant Relativistic corrections to transition frequencies of Fe I and search for variation of the fine structure constant

2007-11-28

arxiv.org/abs/0711.4428v1

Phys. Rev. A, 77, 012514 (2008)

Physics

Atomic Physics

7 pages, 3 figures, 4 tables

Scientific paper

10.1103/PhysRevA.77.012514

Relativistic energy shifts of the low energy levels of Fe have been calculated using the Dirac-Hartree-Fock and configuration interaction techniques. The results are to be used in the search for the space-time variation of the fine structure constant in quasar absorption spectra. The values of the shifts are the largest among those used in the analysis so far. This makes Fe a good candidate for the inclusion into the analysis.

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