Improving results by improving densities: Density-corrected density functional theory

E Sim, S Song, S Vuckovic, K Burke - Journal of the American …, 2022 - ACS Publications
Density functional theory (DFT) calculations have become widespread in both chemistry and
materials, because they usually provide useful accuracy at much lower computational cost …

Combining wave function methods with density functional theory for excited states

S Ghosh, P Verma, CJ Cramer, L Gagliardi… - Chemical …, 2018 - ACS Publications
We review state-of-the-art electronic structure methods based both on wave function theory
(WFT) and density functional theory (DFT). Strengths and limitations of both the wave …

On the top rung of Jacob's ladder of density functional theory: Toward resolving the dilemma of SIE and NCE

IY Zhang, X Xu - Wiley Interdisciplinary Reviews: Computational …, 2021 - Wiley Online Library
According to the classification of Jacob's Ladder proposed by Perdew, density functional
approximations (DFAs) on the top (fifth) rung add the information of the unoccupied Kohn …

Vertical Ionization Potentials and Electron Affinities at the Double-Hybrid Density Functional Level

D Mester, M Kállay - Journal of Chemical Theory and …, 2023 - ACS Publications
The double-hybrid (DH) time-dependent density functional theory is extended to vertical
ionization potentials (VIPs) and electron affinities (VEAs). Utilizing the density fitting …

Unveiling the physics behind hybrid functionals

S Śmiga, LA Constantin - The Journal of Physical Chemistry A, 2020 - ACS Publications
We show that accurate exchange–correlation hybrid functionals give very physically
optimized effective-correlation potentials, capable of correctly describing the quantum …

Self-consistent implementation of Kohn–Sham adiabatic connection models with improved treatment of the strong-interaction limit

S Smiga, F Della Sala, P Gori-Giorgi… - Journal of chemical …, 2022 - ACS Publications
Adiabatic connection models (ACMs), which interpolate between the limits of weak and
strong interaction, are powerful tools to build accurate exchange–correlation functionals. If …

Improved solid stability from a screened range-separated hybrid functional by satisfying semiclassical atom theory and local density linear response

S Jana, B Patra, S Śmiga, LA Constantin, P Samal - Physical Review B, 2020 - APS
Semiclassical neutral atom theory is an important constraint of the state-of-the-art
development of exchange-correlation functionals for solid-state physics. Based on this …

Review of approximations for the exchange-correlation energy in density-functional theory

J Toulouse - Density Functional Theory: Modeling, Mathematical …, 2022 - Springer
In this chapter, we provide a review of the ground-state Kohn–Sham density-functional
theory of electronic systems and some of its extensions, we present exact expressions and …

Screened range-separated hybrid by balancing the compact and slowly varying density regimes: Satisfaction of local density linear response

S Jana, A Patra, LA Constantin, P Samal - The Journal of Chemical …, 2020 - pubs.aip.org
Due to their quantitative accuracy and ability to solve several difficulties, screened range-
separated hybrid exchange-correlation functionals are now a standard approach for ab initio …

Generalizing double-hybrid density functionals: Impact of higher-order perturbation terms

S Jana, S Śmiga, LA Constantin… - Journal of chemical …, 2020 - ACS Publications
Connections between the Görling–Levy (GL) perturbation theory and the parameters of
double-hybrid (DH) density functional are established via adiabatic connection formalism …