The perturbation approach to the Dirac-Coulomb equation recently developed by the present authors is applied to the calculation of the energy correction at the first- and second-order level for a zero-order Hamiltonian taken as a symmetric sum of Fock operators. Results for several He-, Be- and Ne-like systems (up to Z=80) as well as for Zn 2+ are presented and discussed.
No takes yet. Share an insight, caveat, or question.
Jankowski et al. (1989) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: