Relativistic, QED, and finite nuclear mass corrections for low-lying states of Li and Be$^+$

Details Relativistic, QED, and finite nuclear mass corrections for low-lying states of Li and Be$^+$ Relativistic, QED, and finite nuclear mass corrections for low-lying states of Li and Be$^+$

2008-11-18

arxiv.org/abs/0811.2874v1

Physics

Atomic Physics

19 pages, 8 tables, Phys. Rev. A in print

Scientific paper

10.1103/PhysRevA.78.052511

Accurate results for nonrelativistic energy, relativistic, QED, and finite nuclear mass corrections are obtained for $2^1S_{1/2}$, $3^1S_{1/2}$ and $2^1P_{1/2}$ states of the Li atom and Be$^+$ ion. Our computational approach uses the Hylleraas basis set with the analytic integration and recursion relations. From comparison of experimental results for the isotope shifts to theoretical predictions including nuclear polarizabilities, we obtain nuclear charge radii for Li and Be isotopes.

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