Model-QED operator for superheavy elements
AV Malyshev, DA Glazov, VM Shabaev, II Tupitsyn… - Physical Review A, 2022 - APS
The model-QED-operator approach [VM Shabaev, II Tupitsyn, and VA Yerokhin, Phys. Rev.
A 88, 012513 (2013) PLRAAN 1050-2947 10.1103/PhysRevA. 88.012513] to calculations of …
A 88, 012513 (2013) PLRAAN 1050-2947 10.1103/PhysRevA. 88.012513] to calculations of …
Isotope-shift factors with quantum electrodynamics effects for many-electron systems: A study of the nuclear charge radius of
LV Skripnikov, SD Prosnyak, AV Malyshev… - Physical Review A, 2024 - APS
A method for calculating the field shift contribution to isotope shifts (IS) in many-electron
atoms, incorporating quantum electrodynamics (QED) effects, is introduced. We also …
atoms, incorporating quantum electrodynamics (QED) effects, is introduced. We also …
Model-QED-operator approach to relativistic calculations of the nuclear recoil effect in many-electron atoms and ions
IS Anisimova, AV Malyshev, DA Glazov… - Physical Review A, 2022 - APS
A model-operator approach to fully relativistic calculations of the nuclear recoil effect on
energy levels in many-electron atomic systems is worked out. The one-electron part of the …
energy levels in many-electron atomic systems is worked out. The one-electron part of the …
Pinning down electron correlations in RaF via spectroscopy of excited states
We report the spectroscopy of 11 electronic states in the radioactive molecule radium
monofluoride (RaF). The observed excitation energies are compared with state-of-the-art …
monofluoride (RaF). The observed excitation energies are compared with state-of-the-art …
QED corrections to the fine structure in fluorinelike ions: Model Lamb-shift-operator approach
VM Shabaev, II Tupitsyn, MY Kaygorodov… - Physical Review A, 2020 - APS
In Li et al.[Phys. Rev. A 98, 020502 (R)(2018) 2469-9926 10.1103/PhysRevA. 98.020502] it
was claimed that the model-potential computations of the Lamb shift on the P 1/2 2− P 3/2 2 …
was claimed that the model-potential computations of the Lamb shift on the P 1/2 2− P 3/2 2 …
QED calculation of electron-electron correlation effects in heliumlike ions
A fully relativistic approach to evaluating the correlation effects in highly charged ions is
presented. The interelectronic-interaction contributions of first and second orders in 1/Z are …
presented. The interelectronic-interaction contributions of first and second orders in 1/Z are …
Complex-scaled relativistic configuration-interaction study of the resonances in heliumlike ions: From boron to argon
Energies and Auger widths of the LL resonances in He-like ions from boron to argon are
evaluated by means of a complex-scaled configuration-interaction approach within the …
evaluated by means of a complex-scaled configuration-interaction approach within the …
Ab initio Calculations of Energy Levels in Be-Like Xenon: Strong Interference between Electron-Correlation and QED Effects
The strong mixing of close levels with two valence electrons in Be-like xenon greatly
complicates ab initio QED calculations beyond the first-order approximation. Because of a …
complicates ab initio QED calculations beyond the first-order approximation. Because of a …
Ab initio QED calculations in diatomic quasimolecules
We present a theoretical approach for ab initio calculations of the one-loop QED corrections
to energy levels of heavy diatomic quasimolecules. This approach is based on the partial …
to energy levels of heavy diatomic quasimolecules. This approach is based on the partial …
Ab initio calculations of the transition in He-, Li-, and Be-like uranium
AV Malyshev, YS Kozhedub, VM Shabaev - Physical Review A, 2023 - APS
The bound-state QED approach is applied to calculations of the 2 p 3/2→ 2 s transition
energies in He-, Li-, and Be-like uranium. For U 90+ and U 89+, standard perturbation theory …
energies in He-, Li-, and Be-like uranium. For U 90+ and U 89+, standard perturbation theory …