Multiconfiguration self-consistent field and multireference configuration interaction methods and applications

PG Szalay, T Muller, G Gidofalvi, H Lischka… - Chemical …, 2012 - ACS Publications
The configuration interaction (CI) method is a general procedure to compute approximate
solutions to the electronic Schrödinger equation. The wave function is written as a linear …

Relativistic coupled‐cluster and equation‐of‐motion coupled‐cluster methods

J Liu, L Cheng - Wiley Interdisciplinary Reviews: Computational …, 2021 - Wiley Online Library
The development of relativistic coupled‐cluster (CC) and equation‐of‐motion coupled‐
cluster (EOM‐CC) methods is reviewed. An emphasis is placed on recent efforts to improve …

Ultracold molecules formed by photoassociation: Heteronuclear dimers, inelastic collisions, and interactions with ultrashort laser pulses

J Ulmanis, J Deiglmayr, M Repp, R Wester… - Chemical …, 2012 - ACS Publications
Photoassociation of molecules out of an ultracold gas was thefirst successful approach to
create a gas of molecules in the electronic ground state at translational temperatures in the …

Quantum degenerate mixtures of alkali and alkaline-earth-like atoms

H Hara, Y Takasu, Y Yamaoka, JM Doyle, Y Takahashi - Physical review letters, 2011 - APS
We realize simultaneous quantum degeneracy in mixtures consisting of the alkali and
alkaline-earth-like atoms Li and Yb. This is accomplished within an optical trap by …

Invited review: Relativistic wave-function based electron correlation methods

T Fleig - Chemical Physics, 2012 - Elsevier
Recent developments in molecular relativistic electronic-structure theory are reviewed, with
a particular emphasis on post-Hartree–Fock electron correlation methodology. The …

Scattering lengths in isotopologues of the RbYb system

M Borkowski, PS Żuchowski, R Ciuryło… - Physical Review A …, 2013 - APS
We model the binding energies of rovibrational levels of the RbYb molecule using
experimental data from two-color photoassociation spectroscopy in mixtures of ultracold 87 …

Laser cooling and electronic structure studies of CaK and its ions CaK±

A Moussa, N El-Kork, M Korek - New Journal of Physics, 2021 - iopscience.iop.org
Aiming at a laser cooling investigation, we have used ab initio complete active space self
consistent field (CASSCF)/(MRCI+ Q) calculations to study the electronic structure of the …

Two-photon photoassociation spectroscopy of heteronuclear YbRb

F Münchow, C Bruni, M Madalinski… - Physical Chemistry …, 2011 - pubs.rsc.org
We report on the spectroscopic investigation of vibrational levels in the electronic ground
state of the heteronuclear molecule 176Yb87Rb. Using two-photon photoassociation …

Diatomic molecules of alkali-metal and alkaline-earth-metal atoms: interaction potentials, dipole moments, and polarizabilities

H Ladjimi, M Tomza - Physical Review A, 2024 - APS
Ultracold diatomic molecules find application in quantum studies ranging from controlled
chemistry and precision measurement physics to quantum many-body simulation and …

Perturbational treatment of spin-orbit coupling for generally applicable high-level multi-reference methods

S Mai, T Müller, F Plasser, P Marquetand… - The Journal of …, 2014 - pubs.aip.org
An efficient perturbational treatment of spin-orbit coupling within the framework of high-level
multi-reference techniques has been implemented in the most recent version of the …