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Ab initio MCDHF calculations of the In and Tl electron affinities and their isotope shifts
Ran Si, Sacha Schiffmann, Kai Wang +2
We report multiconfiguration Dirac-Hartree-Fock and relativistic configuration interaction calculations on the Thallium (Tl) electron affinity, as well as on the excited energy lev…
Electronic isotope shift factors for the Ir $5d^{7}6s^{2} \ ^{4}\!F_{9/2} \to (\mbox{odd},J= 9/2)$ line at 247.587 nm
Sacha Schiffmann, Michel Godefroid
We present the theoretical calculations of the electronic isotope shift factors of the $5d^{7}6s^{2} \ ^{4}\!F_{9/2} \to (\mbox{odd},J= 9/2)$ line at 247.587 nm, that were recently…
electronic factors of the and hyperfine structure constants for the states in Sn I
Asimina Papoulia, Sacha Schiffmann, Jacek Bieroń +7
Large-scale calculations of the electric field gradient, which constitutes the electronic contribution to the electric quadrupole hyperfine constant , were…
Natural orbitals in multiconfiguration calculations of hyperfine structure parameters
Sacha Schiffmann, Michel Godefroid, Jörgen Ekman +2
We are reinvestigating the hyperfine structure of sodium using a fully relativistic multiconfiguration approach. In the fully relativistic approach, the computational strategy some…
Relativistic semiempirical-core-potential calculations in Ca, Sr, and Ba ions on Lagrange meshes
Livio Filippin, Sacha Schiffmann, Jérémy Dohet-Eraly +2
Relativistic atomic structure calculations are carried out in alkaline-earth-metal ions using a semiempirical-core-potential approach. The systems are partitioned into frozen-core…