The versatility of the Cholesky decomposition in electronic structure theory

TB Pedersen, S Lehtola… - Wiley Interdisciplinary …, 2024 - Wiley Online Library
The resolution‐of‐the‐identity (RI) or density fitting (DF) approximation for the electron
repulsion integrals (ERIs) has become a standard component of accelerated and reduced …

Formulation and Implementation of Frequency-Dependent Linear Response Properties with Relativistic Coupled Cluster Theory for GPU-accelerated Computer …

X Yuan, L Halbert, JV Pototschnig… - Journal of chemical …, 2024 - ACS Publications
We present the development and implementation of relativistic coupled cluster linear
response theory (CC-LR), which allows the determination of molecular properties arising …

Laser-coolable polyatomic molecules with heavy nuclei

TA Isaev, AV Zaitsevskii, E Eliav - Journal of Physics B: Atomic …, 2017 - iopscience.iop.org
Recently, a few diatomic and polyatomic molecules have been identified as prospective
systems for Doppler/Sisyphus cooling. Doppler/Sisyphus cooling allows us to decrease the …

Iodine clusters in the atmosphere I: Computational benchmark and dimer formation of oxyacids and oxides

M Engsvang, H Wu, J Elm - ACS omega, 2024 - ACS Publications
The contribution of iodine-containing compounds to atmospheric new particle formation is
still not fully understood, but iodic acid and iodous acid are thought to be significant …

[HTML][HTML] A new generation of effective core potentials from correlated and spin–orbit calculations: Selected heavy elements

G Wang, B Kincaid, H Zhou, A Annaberdiyev… - The Journal of …, 2022 - pubs.aip.org
We introduce new correlation consistent effective core potentials (ccECPs) for the elements
I, Te, Bi, Ag, Au, Pd, Ir, Mo, and W with 4d, 5d, 6s, and 6p valence spaces. These ccECPs are …

Polarizable embedding complex polarization propagator in four-and two-component frameworks

J Creutzberg, ED Hedegård - Journal of Chemical Theory and …, 2022 - ACS Publications
Explicit embedding methods combined with the complex polarization propagator (CPP)
enable the modeling of spectroscopy for increasingly complex systems with a high density of …

Hyperfine structure in thallium atom: Study of nuclear magnetization distribution effects

SD Prosnyak, DE Maison, LV Skripnikov - The Journal of Chemical …, 2020 - pubs.aip.org
The influence of the nuclear magnetization distribution effects on the hyperfine structure of
electronic states of thallium atom is studied within the relativistic coupled cluster theory …

Theoretical study on ThF+, a prospective system in search of time-reversal violation

M Denis, MS Nørby, HJA Jensen… - New Journal of …, 2015 - iopscience.iop.org
The low-lying electronic states of ThF+, a possible candidate in the search for $\mathcal {P}
$-and $\mathcal {T} $-violation, have been studied using high-level correlated relativistic ab …

Validation of Relativistic DFT Approaches to the Calculation of NMR Chemical Shifts in Square-Planar Pt2+ and Au3+ Complexes

T Pawlak, ML Munzarová, L Pazderski… - Journal of Chemical …, 2011 - ACS Publications
Recently implemented hybrid density functional methods of calculating nuclear magnetic
shielding using the two-component zeroth-order regular approximation approach (J. Phys …

Electronic transition dipole moments in relativistic coupled-cluster theory: the finite-field method

AV Zaitsevskii, LV Skripnikov, AV Kudrin… - Optics and …, 2018 - Springer
The determination of the matrix elements of single-electron operators for the transitions
between electronic states (primarily, the dipole moments of electron transitions) is one of the …