Search for new physics with atoms and molecules

MS Safronova, D Budker, D DeMille, DFJ Kimball… - Reviews of Modern …, 2018 - APS
This article reviews recent developments in tests of fundamental physics using atoms and
molecules, including the subjects of parity violation, searches for permanent electric dipole …

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 …

CHIANTI–An atomic database for emission lines. Version 8

G Del Zanna, KP Dere, PR Young, E Landi… - Astronomy & …, 2015 - aanda.org
We present version 8 of the CHIANTI database. This version includes a large amount of new
data and ions, which represent a significant improvement in the soft X-ray, extreme UV …

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 …

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 …

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 …

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 …

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 …

Testing fundamental interactions on the helium atom

K Pachucki, V Patkóš, VA Yerokhin - Physical Review A, 2017 - APS
We critically examine the current status of theoretical calculations of the energies, the fine
structure, and the isotope shift of the lowest-lying states of helium, searching for unresolved …