koopmans: An Open-Source Package for Accurately and Efficiently Predicting Spectral Properties with Koopmans Functionals

EB Linscott, N Colonna, R De Gennaro… - Journal of Chemical …, 2023 - ACS Publications
Over the past decade we have developed Koopmans functionals, a computationally efficient
approach for predicting spectral properties with an orbital-density-dependent functional …

Predicting electronic screening for fast Koopmans spectral functional calculations

Y Schubert, S Luber, N Marzari, E Linscott - npj Computational …, 2024 - nature.com
Koopmans spectral functionals are a powerful extension of Kohn-Sham density-functional
theory (DFT) that enables the prediction of spectral properties with state-of-the-art accuracy …

Formally Exact and Practically Useful Analytic Solution of Harmonium

W Yao, Z Yin, C Li - ACS omega, 2024 - ACS Publications
We provide a novel exact analytic solution of harmonium with arbitrary Coulomb interaction
strength, for ground as well as all the excited states, using our recently developed method …