Quantitative theory of magnetic interactions in solids

A Szilva, Y Kvashnin, EA Stepanov, L Nordström… - Reviews of Modern …, 2023 - APS
This review addresses the method of explicit calculations of interatomic exchange
interactions of magnetic materials. This involves exchange mechanisms normally referred to …

Electronic structure calculations with dynamical mean-field theory

G Kotliar, SY Savrasov, K Haule, VS Oudovenko… - Reviews of Modern …, 2006 - APS
A review of the basic ideas and techniques of the spectral density-functional theory is
presented. This method is currently used for electronic structure calculations of strongly …

Possible High Superconductivity in under High Pressure through Manifestation of a Nearly Half-Filled Bilayer Hubbard Model

H Sakakibara, N Kitamine, M Ochi, K Kuroki - Physical Review Letters, 2024 - APS
Inspired by a recent experiment showing that La 3 Ni 2 O 7 exhibits high T c
superconductivity under high pressure, we theoretically revisit the possibility of …

Theoretical analysis on the possibility of superconductivity in the trilayer Ruddlesden-Popper nickelate under pressure and its experimental examination …

H Sakakibara, M Ochi, H Nagata, Y Ueki, H Sakurai… - Physical Review B, 2024 - APS
We study the possibility of superconductivity in a trilayer Ruddlesden-Popper nickelate La 4
Ni 3 O 10 under pressure both theoretically and experimentally, making comparison with the …

Quantum-centric supercomputing for materials science: A perspective on challenges and future directions

Y Alexeev, M Amsler, MA Barroca, S Bassini… - Future Generation …, 2024 - Elsevier
Computational models are an essential tool for the design, characterization, and discovery
of novel materials. Computationally hard tasks in materials science stretch the limits of …

Self-consistent Hubbard parameters from density-functional perturbation theory in the ultrasoft and projector-augmented wave formulations

I Timrov, N Marzari, M Cococcioni - Physical Review B, 2021 - APS
The self-consistent evaluation of Hubbard parameters using linear-response theory is
crucial for quantitatively predictive calculations based on Hubbard-corrected density …

Hubbard parameters from density-functional perturbation theory

I Timrov, N Marzari, M Cococcioni - Physical Review B, 2018 - APS
We present a transparent and computationally efficient approach for the first-principles
calculation of Hubbard parameters from linear-response theory. This approach is based on …

Extensive Benchmarking of DFT+U Calculations for Predicting Band Gaps

NE Kirchner-Hall, W Zhao, Y **ong, I Timrov, I Dabo - Applied Sciences, 2021 - mdpi.com
Accurate computational predictions of band gaps are of practical importance to the modeling
and development of semiconductor technologies, such as (opto) electronic devices and …

Linear response approach to the calculation of the effective interaction parameters in the method

M Cococcioni, S De Gironcoli - Physical Review B—Condensed Matter and …, 2005 - APS
In this work we reexamine the LDA+ U method of Anisimov and co-workers in the framework
of a plane-wave pseudopotential approach. A simplified rotational-invariant formulation is …

Half-metallic ferromagnets: From band structure to many-body effects

MI Katsnelson, VY Irkhin, L Chioncel… - Reviews of Modern …, 2008 - APS
A review of new developments in theoretical and experimental electronic-structure
investigations of half-metallic ferromagnets (HMFs) is presented. Being semiconductors for …