[HTML][HTML] WIEN2k: An APW+ lo program for calculating the properties of solids

P Blaha, K Schwarz, F Tran, R Laskowski… - The Journal of …, 2020 - pubs.aip.org
The WIEN2k program is based on the augmented plane wave plus local orbitals (APW+ lo)
method to solve the Kohn–Sham equations of density functional theory. The APW+ lo …

[HTML][HTML] Exchange-correlation functionals for band gaps of solids: benchmark, reparametrization and machine learning

P Borlido, J Schmidt, AW Huran, F Tran… - npj Computational …, 2020 - nature.com
We conducted a large-scale density-functional theory study on the influence of the exchange-
correlation functional in the calculation of electronic band gaps of solids. First, we use the …

Understanding band gaps of solids in generalized Kohn–Sham theory

JP Perdew, W Yang, K Burke, Z Yang… - Proceedings of the …, 2017 - National Acad Sciences
The fundamental energy gap of a periodic solid distinguishes insulators from metals and
characterizes low-energy single-electron excitations. However, the gap in the band structure …

Kinetic‐energy‐density dependent semilocal exchange‐correlation functionals

F Della Sala, E Fabiano… - International Journal of …, 2016 - Wiley Online Library
We present the theory of semilocal exchange‐correlation (XC) energy functionals which
depend on the Kohn–Sham kinetic energy density (KED), including the relevant class of …

Large-scale benchmark of exchange–correlation functionals for the determination of electronic band gaps of solids

P Borlido, T Aull, AW Huran, F Tran… - Journal of chemical …, 2019 - ACS Publications
We compile a large data set designed for the efficient benchmarking of exchange–
correlation functionals for the calculation of electronic band gaps. The data set comprises …

[HTML][HTML] Semilocal exchange-correlation potentials for solid-state calculations: Current status and future directions

F Tran, J Doumont, L Kalantari, AW Huran… - Journal of Applied …, 2019 - pubs.aip.org
Kohn-Sham (KS) density functional theory (DFT) is a very efficient method for calculating
various properties of solids as, for instance, the total energy, the electron density, or the …

Importance of the kinetic energy density for band gap calculations in solids with density functional theory

F Tran, P Blaha - The Journal of Physical Chemistry A, 2017 - ACS Publications
Recently, exchange-correlation potentials in density functional theory were developed with
the goal of providing improved band gaps in solids. Among them, the semilocal potentials …

Ultranonlocality and accurate band gaps from a meta-generalized gradient approximation

T Aschebrock, S Kümmel - Physical Review Research, 2019 - APS
The proper description of step structures in the exchange correlation potential, of charge
localization, and a reasonable prediction of band gaps have been long-standing, serious …

Right band gaps for the right reason at low computational cost with a meta-GGA

T Lebeda, T Aschebrock, J Sun, L Leppert… - Physical Review …, 2023 - APS
In density functional theory, traditional explicit density functionals such as the local density
approximation and generalized gradient approximations cannot accurately predict the band …

Outer-valence electron spectra of prototypical aromatic heterocycles from an optimally tuned range-separated hybrid functional

DA Egger, S Weissman… - Journal of Chemical …, 2014 - ACS Publications
Density functional theory with optimally tuned range-separated hybrid (OT-RSH) functionals
has been recently suggested [Refaely-Abramson et al. Phys. Rev. Lett. 2012, 109, 226405] …