Two-Component GW Calculations: Cubic Scaling Implementation and Comparison of Vertex-Corrected and Partially Self-Consistent GW Variants

A Förster, E van Lenthe, E Spadetto… - Journal of chemical …, 2023 - ACS Publications
We report an all-electron, atomic orbital (AO)-based, two-component (2C) implementation of
the GW approximation (GWA) for closed-shell molecules. Our algorithm is based on the …

Quasiparticle and Optical Properties of Carrier-Doped Monolayer MoTe2 from First Principles

A Champagne, JB Haber, S Pokawanvit, DY Qiu… - Nano Letters, 2023 - ACS Publications
The intrinsic weak and highly nonlocal dielectric screening of two-dimensional materials is
well-known to lead to high sensitivity of their optoelectronic properties to environment. Less …

Comparing time-dependent density functional theory with many-body perturbation theory for semiconductors: Screened range-separated hybrids and the plus …

D Wing, JB Haber, R Noff, B Barker, DA Egger… - Physical Review …, 2019 - APS
We present band structure and optical absorption spectra obtained from density functional
theory (DFT) and linear response time-dependent DFT (TDDFT) calculations using a …

Spin-Stabilization by Coulomb Blockade in a Vanadium Dimer in WSe2

S Stolz, B Hou, D Wang, A Kozhakhmetov, C Dong… - ACS …, 2023 - ACS Publications
Charged dopants in 2D transition metal dichalcogenides (TMDs) have been associated with
the formation of hydrogenic bound states, defect-bound trions, and gate-controlled …

Mixed Stochastic-Deterministic Approach for Many-Body Perturbation Theory Calculations

AR Altman, S Kundu, FH da Jornada - Physical Review Letters, 2024 - APS
We present an approach for GW calculations of quasiparticle energies with quasiquadratic
scaling by approximating high-energy contributions to the Green's function in its Lehmann …

Impact of solvation on the GW quasiparticle spectra of molecules

JM Clary, M Del Ben, R Sundararaman… - Journal of Applied …, 2023 - pubs.aip.org
First-principles calculations for electrochemistry require accurate treatment of both electronic
structure and solvation. The perturbative GW approximation starting from density functional …

BEAST DB: Grand-Canonical Database of Electrocatalyst Properties

C Tezak, J Clary, S Gerits, J Quinton… - The Journal of …, 2024 - ACS Publications
We present BEAST DB, an open-source database comprised of ab initio electrochemical
data computed using grand-canonical density functional theory in implicit solvent at …

Reproducibility in G0W0 calculations for solids

T Rangel, M Del Ben, D Varsano, G Antonius… - Computer Physics …, 2020 - Elsevier
Ab initio many-body perturbation theory within the GW approximation is a Green's function
formalism widely used in the calculation of quasiparticle excitation energies of solids. In …

Exploring the statically screened correction to the self-energy: Charged excitations and total energies of finite systems

A Förster, L Visscher - Physical Review B, 2022 - APS
Electron correlation in finite and extended systems is often described in an effective single-
particle framework within the GW approximation. Here, we use the statically screened …

Spinor /Bethe-Salpeter calculations in BerkeleyGW: Implementation, symmetries, benchmarking, and performance

BA Barker, J Deslippe, J Lischner, M Jain, OV Yazyev… - Physical Review B, 2022 - APS
Computing the GW quasiparticle band structure and Bethe-Salpeter equation (BSE)
absorption spectra for materials with spin-orbit coupling have commonly been done by …