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 …

[HTML][HTML] Heavy-ion storage rings and their use in precision experiments with highly charged ions

M Steck, YA Litvinov - Progress in Particle and Nuclear Physics, 2020 - Elsevier
Storage rings have been employed over three decades in various kinds of nuclear and
atomic physics experiments with highly charged ions. Storage ring operation and precision …

Stringent test of QED with hydrogen-like tin

J Morgner, B Tu, CM König, T Sailer, F Heiße, H Bekker… - Nature, 2023 - nature.com
Inner-shell electrons naturally sense the electric field close to the nucleus, which can reach
extreme values beyond 1015 V cm− 1 for the innermost electrons. Especially in few-electron …

4-component relativistic Hamiltonian with effective QED potentials for molecular calculations

A Sunaga, M Salman, T Saue - The Journal of Chemical Physics, 2022 - pubs.aip.org
We report the implementation of effective quantum electrodynamics (QED) potentials for all-
electron four-component relativistic molecular calculations using the DIRAC code. The …

[HTML][HTML] Pushing the limits of the periodic table—A review on atomic relativistic electronic structure theory and calculations for the superheavy elements

OR Smits, P Indelicato, W Nazarewicz, M Piibeleht… - Physics Reports, 2023 - Elsevier
We review the progress in atomic structure theory with a focus on superheavy elements and
their predicted ground state configurations important for an element's placement in the …

Atomic data and spectral modeling constraints from high-resolution X-ray observations of the Perseus cluster with Hitomi

HCF Aharonian, H Akamatsu, F Akimoto… - Publications of the …, 2018 - academic.oup.com
Abstract The Hitomi Soft X-ray Spectrometer spectrum of the Perseus cluster, with∼ 5 eV
resolution in the 2–9 keV band, offers an unprecedented benchmark of the atomic modeling …

Physics book: CRyring@ esr

M Lestinsky, V Andrianov, B Aurand, V Bagnoud… - The European Physical …, 2016 - Springer
The exploration of the unique properties of stored and cooled beams of highly-charged ions
as provided by heavy-ion storage rings has opened novel and fascinating research …

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 …

QED calculations of energy levels of heliumlike ions with

VA Yerokhin, V Patkóš, K Pachucki - Physical Review A, 2022 - APS
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 …

Theory of the Lamb Shift in Hydrogen and Light Hydrogen‐Like Ions

VA Yerokhin, K Pachucki, V Patkóš - Annalen der Physik, 2019 - Wiley Online Library
Theoretical calculations of the Lamb shift provide the basis required for the determination of
the Rydberg constant from spectroscopic measurements in hydrogen. The recent high …