289 citations
- University of HelsinkiFI9 papers
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Showing 2022 · physics.comp-phShow all
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physics.comp-ph2022★ 12 cited
How good are recent density functionals for ground and excited states of one-electron systems?
Sebastian Schwalbe, Kai Trepte, Susi Lehtola
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 c…
physics.comp-ph2022★ 48 cited
Many recent density functionals are numerically ill-behaved
Susi Lehtola, Miguel A. L. Marques
Most computational studies in chemistry and materials science are based on the use of density functional theory. Although the exact density functional is unknown, several density f…