Assessment of the GLLB-SC potential for solid-state properties and attempts for improvement

F Tran, S Ehsan, P Blaha - Physical Review Materials, 2018 - APS
Based on the work of Gritsenko et al.(GLLB)[Phys. Rev. A 51, 1944 (1995) PLRAAN 1050-
2947 10.1103/PhysRevA. 51.1944], the method of Kuisma et al.[Phys. Rev. B 82, 115106 …

Electron density errors and density-driven exchange-correlation energy errors in approximate density functional calculations

PD Mezei, GI Csonka, M Kállay - Journal of chemical theory and …, 2017 - ACS Publications
Since its formal introduction, density functional theory has achieved many successes in the
fields of molecular and solid-state chemistry. According to its central theorems, the ground …

Accurate density functional made more versatile

S Jana, SK Behera, S Śmiga, LA Constantin… - The Journal of …, 2021 - pubs.aip.org
We propose a one-electron self-interaction-free correlation energy functional compatible
with the order-of-limit problem-free Tao–Mo (TM) semilocal functional (regTM)[J. Tao and Y …

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 …

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 …

Investigation of the exchange-correlation potentials of functionals based on the adiabatic connection interpolation

E Fabiano, S Śmiga, S Giarrusso, KJ Daas… - Journal of chemical …, 2019 - ACS Publications
We have studied the correlation potentials produced by various adiabatic connection
models (ACMs) for several atoms and molecules. The results have been compared to …

Insights from the density functional performance of water and water–solid interactions: Scan in relation to other meta-ggas

S Jana, A Patra, S Śmiga, LA Constantin… - The Journal of Chemical …, 2020 - pubs.aip.org
Accurate prediction of water properties in its gas and condensed phases, including the
interaction of water with surfaces, is of prime importance for many scientific disciplines …