Dirac-Fock studies of some electronic properties of rare-earth ions

The authors report results of accurate fully relativistic Dirac-Fock studies of some electronic properties of rare-earth ions. They also present, in addition to eigenvalue information including spin-orbit splittings (useful for interpreting ESCA experiments), values (for n=-3,2,4,6) for the 4f electrons and Slater Fsup(k) and Gsup(k) integrals (of interest for hyperfine interaction and crystal field descriptions), values of the Moessbauer isomer shift electronic densities and the integrals useful for interpreting neutron magnetic form factor measurements. (Auth.)