Self-consistent implementation of locally scaled self-interaction-correction method

Y Yamamoto, T Baruah, PH Chang… - The Journal of …, 2023 - pubs.aip.org
Recently proposed local self-interaction correction (LSIC) method [Zope et al., J. Chem.
Phys. 151, 214108 (2019)] is a one-electron self-interaction-correction (SIC) method that …

Ensemble generalization of the Perdew–Zunger self-interaction correction: A way out of multiple minima and symmetry breaking

S Schwalbe, WT Schulze, K Trepte… - Journal of Chemical …, 2024 - ACS Publications
The Perdew–Zunger (PZ) self-interaction correction (SIC) is an established tool to correct
unphysical behavior in density functional approximations. Yet, the PZ-SIC is well-known to …

Downward quantum learning from element 118: Automated generation of Fermi–Löwdin orbitals for all atoms

MR Pederson, AI Johnson, KPK Withanage… - The Journal of …, 2023 - pubs.aip.org
A new algorithm based on a rigorous theorem and quantum data computationally mined
from element 118 guarantees automated construction of initial Fermi–Löwdin-Orbital (FLO) …

[HTML][HTML] How good are recent density functionals for ground and excited states of one-electron systems?

S Schwalbe, K Trepte, S Lehtola - The Journal of Chemical Physics, 2022 - pubs.aip.org
Sun et al.[J. Chem. Phys. 144, 191101 (2016)] suggested that common density-functional
approximations (DFAs) should exhibit large energy errors for excited states as a necessary …

Orbital dependent complications for close vs well-separated electrons in diradicals

Z Hooshmand, JG Bravo Flores… - The Journal of Chemical …, 2023 - pubs.aip.org
We investigate two limits in open-shell diradical systems: O 3, in which the interesting
orbitals are in close proximity to one another, and (C 21 H 13) 2, where there is a significant …

[HTML][HTML] Bond formation insights into the Diels–Alder reaction: A bond perception and self-interaction perspective

WT Schulze, S Schwalbe, K Trepte, A Croy… - The Journal of …, 2023 - pubs.aip.org
The behavior of electrons during bond formation and breaking cannot commonly be
accessed from experiments. Thus, bond perception is often based on chemical intuition or …

Saddle Point Search Algorithms for Variational Density Functional Calculations of Excited Electronic States with Self-Interaction Correction

YLA Schmerwitz, N Urgell Ollé, G Levi… - Proceedings of the …, 2024 - dl.acm.org
Excited electronic states of molecules and solids play a fundamental role in fields such as
catalysis and electronics. In electronic structure calculations, excited states typically …

Complexity reduction in self-interaction-free density functional calculations using the Fermi-L\" owdin self-interaction correction method

S Romero, Y Yamamoto, T Baruah, RR Zope - arXiv preprint arXiv …, 2023 - arxiv.org
Fermi-L\" owdin (FLO) self-interaction-correction (SIC)(FLOSIC) method uses symmetric
orthogonalized Fermi orbitals as localized orbitals in one-electron SIC schemes resulting in …

Bond length alternation of π-conjugated polymers predicted by the Fermi–Löwdin orbital self-interaction correction method

DB Nguyen, KA Jackson, JE Peralta - The Journal of Chemical Physics, 2024 - pubs.aip.org
π-conjugated polymers have been used in a wide range of practical applications, partly due
to their unique properties that originate in the delocalization of electrons through the polymer …

[PDF][PDF] Domain-averaged fermi holes: a self-interaction correction perspective

W Schulze - 2021 - researchgate.net
In the branch of quantum chemistry, one of the main goals is to determine the nuclear and
electronic structure of molecules. This determination can be done experimentally, or …