967 citations
- University of Maryland, College ParkUS18 papers
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11 papers · 1 filter
Development of a configuration-interaction + all-order method for atomic calculations
M. S. Safronova, M. G. Kozlov, W. R. Johnson +1
We develop a theoretical method within the framework of relativistic many-body theory to accurately treat correlation corrections in atoms with few valence electrons. This method c…
Electric Quadrupole Moments of Metastable States of Ca+, Sr+, and Ba+
Dansha Jiang, Bindiya Arora, M. S. Safronova
Electric quadrupole moments of the metastable nd3/2 and nd5/2 states of Ca+, Sr+, and Ba+ are calculated using the relativistic all-order method including all single, double, and p…
Theoretical study of lifetimes and polarizabilities in Ba+
E. Iskrenova-Tchoukova, M. S. Safronova
The 6s-np_j (n=6-9) electric-dipole matrix elements and 6s-nd_j (n=5-7) electric-quadrupole matrix elements in Ba+ are calculated using the relativistic all-order method. The resul…
Magic wavelengths for the np-ns transitions in alkali-metal atoms
Bindiya Arora, M. S. Safronova, Charles W. Clark
Extensive calculations of the electric-dipole matrix elements in alkali-metal atoms are conducted using the relativistic all-order method. This approach is a linearized version of…
Accurate determination of electric-dipole matrix elements in K and Rb from Stark shift measurements
Bindiya Arora, M. S. Safronova, Charles W. Clark
Stark shifts of potassium and rubidium D1 lines have been measured with high precision by Miller et al [1]. In this work, we combine these measurements with our all-order calculati…
Excitation energies, polarizabilities, multipole transition rates, and lifetimes of ions along the francium isoelectronic sequence
U. I. Safronova, W. R. Johnson, M. S. Safronova
Relativistic many-body perturbation theory is applied to study properties of ions of the francium isoelectronic sequence. Specifically, energies of the 7s, 7p, 6d, and 5f states of…