Highly charged ions: Optical clocks and applications in fundamental physics

MG Kozlov, MS Safronova… - Reviews of Modern …, 2018 - APS
Recent developments in frequency metrology and optical clocks have been based on
electronic transitions in atoms and singly charged ions as references. The control over all …

Applications of B-splines in atomic and molecular physics

H Bachau, E Cormier, P Decleva… - Reports on progress …, 2001 - iopscience.iop.org
One of the most significant developments in computational atomic and molecular physics in
recent years has been the introduction of B-spline basis sets in calculations of atomic and …

An optical atomic clock based on a highly charged ion

SA King, LJ Spieß, P Micke, A Wilzewski, T Leopold… - Nature, 2022 - nature.com
Optical atomic clocks are the most accurate measurement devices ever constructed and
have found many applications in fundamental science and technology,–. The use of highly …

Precision physics of simple atoms: QED tests, nuclear structure and fundamental constants

SG Karshenboim - Physics reports, 2005 - Elsevier
Quantum electrodynamics (QED) is the first successful and still the most successful quantum
field theory. Simple atoms, being essentially QED systems, allow highly accurate theoretical …

QED corrections in heavy atoms

PJ Mohr, G Plunien, G Soff - Physics Reports, 1998 - Elsevier
The comparison of theory and experiment for energy levels of strongly bound electrons
provides a critical test of quantum electrodynamics in strong fields. A theoretical evaluation …

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 …

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 …

QED calculation of the and energy levels in He-like ions

AN Artemyev, VM Shabaev, VA Yerokhin… - Physical Review A …, 2005 - APS
We perform ab initio QED calculations of energy levels for the n= 1 and n= 2 states of He-like
ions with the nuclear charge in the range Z= 12–100. The complete set of two-electron QED …

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 …

QED tests with highly charged ions

P Indelicato - Journal of Physics B: Atomic, Molecular and Optical …, 2019 - iopscience.iop.org
The current status of bound state quantum electrodynamics calculations of transition
energies for few-electron ions is reviewed. Evaluation of one and two body QED correction …