Abstract
Relativistic calculations of the isotope shifts of energy levels in highly charged Li-like ions are performed. The nuclear recoil (mass shift) contributions are calculated by merging the perturbative and large-scale configuration-interaction Dirac-Fock-Sturm (CI-DFS) methods. The nuclear size (field shift) contributions are evaluated by the CI-DFS method including the electron-correlation, Breit, and QED corrections. The nuclear deformation and nuclear polarization corrections to the isotope shifts in Li-like neodymium, thorium, and uranium are also considered. The results of the calculations are compared with the theoretical values obtained with other methods.
Highlights
From the theoretical side, to obtain the total value of the isotope shift one needs to evaluate the nuclear size and nuclear recoil contributions, including the relativistic and quantum electrodynamics (QED) effects
In the past years a great progress was achieved in experimental study of the isotope shifts
This was done in the dielectronic recombination
Summary
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