koopmans: An Open-Source Package for Accurately and Efficiently Predicting Spectral Properties with Koopmans Functionals
Over the past decade we have developed Koopmans functionals, a computationally efficient
approach for predicting spectral properties with an orbital-density-dependent functional …
approach for predicting spectral properties with an orbital-density-dependent functional …
Mn-based hydride perovskites XMnH3 (X= K, Li): A DFT study for physical properties, and hydrogen storage capability
The present study utilizes First-principles calculations to investigate the physical properties
of Mn-based perovskite-type hydrides XMnH 3 (X= K, Li) including electronic, magnetic, and …
of Mn-based perovskite-type hydrides XMnH 3 (X= K, Li) including electronic, magnetic, and …
Koopmans spectral functionals in periodic boundary conditions
Koopmans spectral functionals aim to describe simultaneously ground-state properties and
charged excitations of atoms, molecules, nanostructures, and periodic crystals. This is …
charged excitations of atoms, molecules, nanostructures, and periodic crystals. This is …
Nonempirical prediction of the length-dependent ionization potential in molecular chains
The ionization potential of molecular chains is well-known to be a tunable nanoscale
property that exhibits clear quantum confinement effects. State-of-the-art methods can …
property that exhibits clear quantum confinement effects. State-of-the-art methods can …
Automated mixing of maximally localized Wannier functions into target manifolds
Abstract Maximally localized Wannier functions (MLWFs) are widely used in electronic-
structure calculations. We have recently developed automated approaches to generate …
structure calculations. We have recently developed automated approaches to generate …
The Wannier-Functions Software Ecosystem for Materials Simulations
Over the last two decades, following the early developments on maximally-localized
Wannier functions, an ecosystem of electronic-structure simulation techniques and software …
Wannier functions, an ecosystem of electronic-structure simulation techniques and software …
Spin-dependent interactions in orbital-density-dependent functionals: Noncollinear Koopmans spectral functionals
A Marrazzo, N Colonna - Physical Review Research, 2024 - APS
The presence of spin-orbit coupling or noncollinear magnetic spin states can have dramatic
effects on the ground-state and spectral properties of materials, in particular on the band …
effects on the ground-state and spectral properties of materials, in particular on the band …
A DFT investigation of Sc-based perovskite-type hydrides XScH3 (X = K, Na) for hydrogen storage application
H Shabbir, M Usman, JU Rehman, D Pan… - Journal of …, 2024 - Springer
The current study delves into the physical properties and hydrogen storage capabilities of
XScH3 (X= K, Na) using the CASTEP code by leveraging the GGA-PBE method. The …
XScH3 (X= K, Na) using the CASTEP code by leveraging the GGA-PBE method. The …
Optical absorption spectra of metal oxides from time-dependent density functional theory and many-body perturbation theory based on optimally-tuned hybrid …
Using both time-dependent density functional theory (TDDFT) and the “single-shot” GW plus
Bethe-Salpeter equation (GW-BSE) approach, we compute optical band gaps and optical …
Bethe-Salpeter equation (GW-BSE) approach, we compute optical band gaps and optical …
Predicting electronic screening for fast Koopmans spectral functional calculations
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 …
theory (DFT) that enables the prediction of spectral properties with state-of-the-art accuracy …