Electron-phonon interactions from first principles

F Giustino - Reviews of Modern Physics, 2017 - APS
This article reviews the theory of electron-phonon interactions in solids from the point of view
of ab initio calculations. While the electron-phonon interaction has been studied for almost a …

Discovering and understanding materials through computation

SG Louie, YH Chan, FH da Jornada, Z Li, DY Qiu - Nature Materials, 2021 - nature.com
Materials modelling and design using computational quantum and classical approaches is
by now well established as an essential pillar in condensed matter physics, chemistry and …

[HTML][HTML] Octopus, a computational framework for exploring light-driven phenomena and quantum dynamics in extended and finite systems

N Tancogne-Dejean, MJT Oliveira… - The Journal of …, 2020 - pubs.aip.org
Over the last few years, extraordinary advances in experimental and theoretical tools have
allowed us to monitor and control matter at short time and atomic scales with a high degree …

Temperature-Dependent Optical Band Gap in CsPbBr3, MAPbBr3, and FAPbBr3 Single Crystals

G Mannino, I Deretzis, E Smecca… - The journal of …, 2020 - ACS Publications
Single crystals represent a benchmark for understanding the bulk properties of halide
perovskites. We have indeed studied the dielectric function of lead bromide perovskite …

Experimental and theoretical optical properties of methylammonium lead halide perovskites

AMA Leguy, P Azarhoosh, MI Alonso… - Nanoscale, 2016 - pubs.rsc.org
The optical constants of methylammonium lead halide single crystals CH3NH3PbX3 (X= I,
Br, Cl) are interpreted with high level ab initio calculations using the relativistic quasiparticle …

Optical Transitions in Hybrid Perovskite Solar Cells: Ellipsometry, Density Functional Theory, and Quantum Efficiency Analyses for

M Shirayama, H Kadowaki, T Miyadera, T Sugita… - Physical Review …, 2016 - APS
Light-induced photocarrier generation is an essential process in all solar cells, including
organic-inorganic hybrid (CH 3 NH 3 PbI 3) solar cells, which exhibit a high short-circuit …

Electronic excitations: density-functional versus many-body Green's-function approaches

G Onida, L Reining, A Rubio - Reviews of modern physics, 2002 - APS
Electronic excitations lie at the origin of most of the commonly measured spectra. However,
the first-principles computation of excited states requires a larger effort than ground-state …

Control over topological insulator photocurrents with light polarization

JW McIver, D Hsieh, H Steinberg… - Nature …, 2012 - nature.com
Three-dimensional topological insulators,, represent a new quantum phase of matter with
spin-polarized surface states, that are protected from backscattering. The static electronic …

Time-dependent density-functional theory: concepts and applications

CA Ullrich - 2011 - books.google.com
Time-dependent density-functional theory (TDDFT) describes the quantum dynamics of
interacting electronic many-body systems formally exactly and in a practical and efficient …

Electron-hole excitations and optical spectra from first principles

M Rohlfing, SG Louie - Physical Review B, 2000 - APS
We present a recently developed approach to calculate electron-hole excitations and the
optical spectra of condensed matter from first principles. The key concept is to describe the …