The Wannier-Functions Software Ecosystem for Materials Simulations

A Marrazzo, S Beck, ER Margine, N Marzari… - arXiv preprint arXiv …, 2023 - arxiv.org
Over the last two decades, following the early developments on maximally-localized
Wannier functions, an ecosystem of electronic-structure simulation techniques and software …

Nonlinear Hall effect from long-lived valley-polarizing relaxons

JM Lihm, CH Park - Physical Review Letters, 2024 - APS
The nonlinear Hall effect has attracted much attention due to the famous, widely adopted
interpretation in terms of the Berry curvature dipole in momentum space. Using ab initio …

High-field transport and hot-electron noise in GaAs from first-principles calculations: Role of two-phonon scattering

PS Cheng, J Sun, SN Sun, AY Choi, AJ Minnich - Physical Review B, 2022 - APS
High-field charge transport in semiconductors is of fundamental interest and practical
importance. While the ab initio treatment of low-field transport is well developed, the …

Dynamic mode decomposition of nonequilibrium electron-phonon dynamics: accelerating the first-principles real-time Boltzmann equation

I Maliyov, J Yin, J Yao, C Yang… - npj Computational …, 2024 - nature.com
Nonequilibrium dynamics governed by electron–phonon (e-ph) interactions plays a key role
in electronic devices and spectroscopies and is central to understanding electronic …

Two-phonon scattering in nonpolar semiconductors: A first-principles study of warm electron transport in Si

B Hatanpää, AY Choi, PS Cheng, AJ Minnich - Physical Review B, 2023 - APS
The ab initio theory of charge transport in semiconductors typically employs the lowest-order
perturbation theory in which electrons interact with one phonon (1ph). This theory is …

High-field charge transport and noise in -Si from first principles

DS Catherall, AJ Minnich - Physical Review B, 2023 - APS
The parameter-free computation of charge transport properties of semiconductors is now
routine owing to advances in the ab initio description of the electron-phonon interaction …

Hot electron diffusion, microwave noise, and piezoresistivity in Si from first principles

B Hatanpää, AJ Minnich - Physical Review B, 2024 - APS
Ab initio calculations of electron-phonon interactions in materials without adjustable
parameters have provided microscopic insights into their charge-transport properties. Other …

Theory of x-ray absorption spectroscopy: A microscopic Bloch equation approach for two-dimensional solid states

D Christiansen, M Selig, J Biegert, A Knorr - Physical Review Research, 2023 - APS
We develop a self-consistent Maxwell-Bloch formalism for the interaction of x-rays with two-
dimensional crystalline materials by incorporating the Bloch theorem and Coulomb many …

Advancing Simulations of Coupled Electron and Phonon Nonequilibrium Dynamics Using Adaptive and Multirate Time Integration

J Yao, I Maliyov, DJ Gardner, CS Woodward… - arXiv preprint arXiv …, 2024 - arxiv.org
Electronic structure calculations in the time domain provide a deeper understanding of
nonequilibrium dynamics in materials. The real-time Boltzmann equation (rt-BTE), used in …

Electron-hole dichotomy and enhancement of the thermoelectric power factor by electron-hole-asymmetric relaxation time: A model study on a two-valley system with …

M Ochi - Physical Review B, 2023 - APS
The role of electron-phonon scattering in thermoelectric transport has been paid much
attention, especially in multivalley systems. By investigating a two-valley model with electron …