Two-time Green's function method in quantum electrodynamics of high-Z few-electron atoms
VM Shabaev - Physics Reports, 2002 - Elsevier
The two-time Green's function method in quantum electrodynamics of high-Z few-electron
atoms is described in detail. This method provides a simple procedure for deriving formulas …
atoms is described in detail. This method provides a simple procedure for deriving formulas …
The gj factor of a bound electron and the hyperfine structure splitting in hydrogenlike ions
T Beier - Physics Reports, 2000 - Elsevier
The comparison between theory and experiment of the hyperfine structure splitting and the
electronic gj factor in heavy highly charged ions provides a unique testing ground for …
electronic gj factor in heavy highly charged ions provides a unique testing ground for …
Dual kinetic balance approach to basis-set expansions for the Dirac equation
VM Shabaev, II Tupitsyn, VA Yerokhin, G Plunien… - Physical review …, 2004 - APS
A new approach to finite basis sets for the Dirac equation is developed. It does not involve
spurious states and improves the convergence properties of basis-set calculations …
spurious states and improves the convergence properties of basis-set calculations …
4-component relativistic Hamiltonian with effective QED potentials for molecular calculations
We report the implementation of effective quantum electrodynamics (QED) potentials for all-
electron four-component relativistic molecular calculations using the DIRAC code. The …
electron four-component relativistic molecular calculations using the DIRAC code. The …
Model operator approach to the Lamb shift calculations in relativistic many-electron atoms
VM Shabaev, II Tupitsyn, VA Yerokhin - Physical Review A—Atomic, Molecular …, 2013 - APS
A model operator approach to calculations of the QED corrections to energy levels in
relativistic many-electron atomic systems is developed. The model Lamb shift operator is …
relativistic many-electron atomic systems is developed. The model Lamb shift operator is …
QEDMOD: Fortran program for calculating the model Lamb-shift operator
VM Shabaev, II Tupitsyn, VA Yerokhin - Computer Physics Communications, 2015 - Elsevier
We present Fortran package QEDMOD for computing the model QED operator h QED that
can be used to account for the Lamb shift in accurate atomic-structure calculations. The …
can be used to account for the Lamb shift in accurate atomic-structure calculations. The …
Lamb shift of n= 1 and n= 2 states of hydrogen-like atoms, 1≤ Z≤ 110
VA Yerokhin, VM Shabaev - … of Physical and Chemical Reference Data, 2015 - pubs.aip.org
Theoretical energy levels of the n= 1 and n= 2 states of hydrogen-like atoms with the nuclear
charge numbers 1≤ Z≤ 110 are tabulated. The tabulation is based on ab initio quantum …
charge numbers 1≤ Z≤ 110 are tabulated. The tabulation is based on ab initio quantum …
QED calculations of energy levels of heliumlike ions with
A calculation of two-electron QED effects to all orders in the nuclear binding strength
parameter Z α is presented for the ground and n= 2 excited states of heliumlike ions. After …
parameter Z α is presented for the ground and n= 2 excited states of heliumlike ions. After …
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 …