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272 papers · 1 filter
Reassessment of line profile asymmetry in measurements of the 1s-2s energy interval in hydrogen
D. Solovyev, A. Anikin, T. Zalialiutdinov +1
Experiments to determine transition frequencies in the hydrogen atom represent some of the most precise spectroscopic measurements and are at a higher level among simple atomic sys…
Applicability of the Dirac-Fock method combined with Core Polarization in calculations of alkali atoms
A. A. Bobylev, J. J. Lopez-Rodriguez, P. A. Kvasov +3
In this work, we investigate the applicability of the core-polarization-corrected Dirac--Fock method, formulated within the framework of the local Dirac--Hartree--Fock (LDF) potent…
Thermal one-loop self-energy correction for hydrogen-like systems: Relativistic approach
M. A. Reiter, D. A. Solovyev, A. A. Bobylev +2
Within a fully relativistic framework, the one-loop self-energy correction for a bound electron is derived and extended to incorporate the effects of external thermal radiation. In…
factor of the excited states in lithium-like ions
D. V. Zinenko, V. A. Agababaev, D. A. Glazov +4
Relativistic calculations for the factor of the lowest excited states and of lithium-like ions over a wide range of the nuclear charge numbers a…
QED effects in quadratic Zeeman splitting in highly charged hydrogen-like ions
V. A. Agababaev, E. A. Prokhorchuk, D. A. Glazov +3
We present ab initio calculations of one-electron quantum electrodynamical corrections to the second-order Zeeman splitting for the , , and states in…
pCI: a parallel configuration interaction software package for high-precision atomic structure calculations
Charles Cheung, Mikhail G. Kozlov, Sergey G. Porsev +3
We introduce the pCI software package for high-precision atomic structure calculations. The standard method of calculation is based on the configuration interaction (CI) method to…