[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 …

The B-spline R-matrix method for atomic processes: application to atomic structure, electron collisions and photoionization

O Zatsarinny, K Bartschat - … of Physics B: Atomic, Molecular and …, 2013 - iopscience.iop.org
The basic ideas of the B-spline R-matrix (BSR) approach are reviewed, and the use of the
method is illustrated with a variety of applications to atomic structure, electron–atom …

Probing new long-range interactions by isotope shift spectroscopy

JC Berengut, D Budker, C Delaunay, VV Flambaum… - Physical review …, 2018 - APS
We explore a method to probe new long-and intermediate-range interactions using
precision atomic isotope shift spectroscopy. We develop a formalism to interpret linear King …

[HTML][HTML] Essentials of relativistic quantum chemistry

W Liu - The Journal of chemical physics, 2020 - pubs.aip.org
Relativistic quantum chemistry has evolved into a fertile and large field and is now becoming
an integrated part of mainstream chemistry. Yet, given the much-involved physics and …

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 …

Computing spectral measures of self-adjoint operators

M Colbrook, A Horning, A Townsend - SIAM review, 2021 - SIAM
Using the resolvent operator, we develop an algorithm for computing smoothed
approximations of spectral measures associated with self-adjoint operators. The algorithm …

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 …

Precision theoretical determination of electric-dipole matrix elements in atomic cesium

HB Tran Tan, A Derevianko - Physical Review A, 2023 - APS
We compute the reduced electric-dipole matrix elements〈 n S 1/2|| D|| n′ PJ〉 with n= 6, 7
and n′= 6, 7,..., 12 in cesium using the most complete to date ab initio relativistic coupled …

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 …

Factor of Boronlike Argon

I Arapoglou, A Egl, M Höcker, T Sailer, B Tu, A Weigel… - Physical Review Letters, 2019 - APS
We have measured the ground-state g factor of boronlike argon Ar 40 13+ with a fractional
uncertainty of 1.4× 10-9 with a single ion in the newly developed Alphatrap double Penning …