Relativistic configuration-interaction calculations for the 2s-2p3/2 transition energies of uranium ions.

Abstract

The 2s-2${\mathit{p}}_{3/2}$ transition energies in Li-like through F-like uraniums are calculated using the relativistic configuration-interaction method with B-spline basis functions. These calculations are based on the relativistic no-pair Hamiltonian, which includes both the Coulomb and retarded Breit interactions. Davidson's method [E. R. Davidson, J. Comput. Phys. 17, 87 (1975)] is employed to solve the eigenvalue problem for the lowest few eigenenergies and eigenfunctions. Quantum electrodynamic and mass polarization corrections are also calculated. Good agreement with experiment for all uranium ions is found. \textcopyright{} 1996 The American Physical Society.