  Energies, transition rates, and electron electric dipole moment (EDM)
enhancement factors are calculated for low-lying states of Ce IV and Pr V using
relativistic many-body perturbation theory. This study is related to recent
investigations of the more complicated Gd IV ion, which is promising for
electron EDM experiments. The ions Ce IV and Pr V both have a single valence
electron, permitting one to carry out reliable ab-initio calculations of energy
levels, transition rates and other atomic properties using well developed
computational methods.
