165 citations · 730 across the 13 of their papers we have counts for
13 papers
Optical clocks based on the Cf and Cf ions
S. G. Porsev, U. I. Safronova, M. S. Safronova +4
Recent experimental progress in cooling, trapping, and quantum logic spectroscopy of highly-charged ions (HCIs) made HCIs accessible for high resolution spectroscopy and precision…
Nuclear charge radii of Th from isotope and isomer shifts
M. S. Safronova, S. G. Porsev, M. G. Kozlov +5
The isotope Th is unique in that it possesses an isomeric state of only a few eV above the ground state, suitable for nuclear laser excitation. An optical clock based on th…
Multipolar polarizabilities and hyperpolarizabilities in the Sr optical lattice clock
S. G. Porsev, M. S. Safronova, U. I. Safronova. +1
We address the problem of the lattice Stark shifts in the Sr clock caused by the multipolar and atom-field interactions and by the term nonlinear in lattice intensity and…
Relativistic all-order many-body calculation of energies, wavelengths, and and transition rates for the configurations in tungsten ions
M. S. Safronova, U. I. Safronova, S. G. Porsev +2
Energy levels, wavelengths, magnetic-dipole and electric-quadrupole transition rates between the low-lying states are evaluated for W to W ions with (n = 2 t…
Effective three particle forces in polyvalent atoms
M. G. Kozlov, M. S. Safronova, S. G. Porsev +1
We study effective three-particle interactions between valence electrons, which are induced by the core polarization. Such interactions are enhanced when valence orbitals have stro…
QED shifts in multivalent heavy ions
I. I. Tupitsyn, M. G. Kozlov, M. S. Safronova +2
The quantum electrodynamics (QED) corrections are directly incorporated into the most accurate treatment of the correlation corrections for ions with complex electronic structure o…