Screened Lamb shift calculations for lithiumlike uranium, sodiumlike platinum, and copperlike gold
- 10 June 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 66 (23) , 2960-2963
- https://doi.org/10.1103/physrevlett.66.2960
Abstract
Calculations of the screened electron self-energy are carried out in local central potentials that approximate a Hartree-Fock potential. The resulting energy corrections are combined with screened vacuum-polarization calculations and used to predict the Lamb shift for n=2 states of lithiumlike uranium, n=3 states of sodiumlike platinum, and n=4 states of copperlike gold. The theoretical values of the screened Lamb shift are found to be in good agreement with values inferred from experiments.Keywords
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