L. Labzowsky et al., Calculated self-energy contributions for an ns valence electron using the multiple-commutator method, PHYS REV A, 59(4), 1999, pp. 2707-2711
The self-energy (SE) correction is evaluated for a single valence ns electr
on of heavy and superheavy atoms with and up to 8 and the nuclear charge Z
up to 119. The recently developed approach based on the commutator expansio
n is employed. Various Dirac-Slater one-electron local potentials with exte
nded nuclei are used. The Lamb shifts were calculated by adding the average
values of the Uehling potential to the SE contributions. The results confi
rm the earlier estimates for the quantum electrodynamical effects on the va
lence energies of heavy and superheavy atoms. [S1050-2947(99)07004-3].