Optimally tuned starting point for single-shot calculations of solids

SE Gant, JB Haber, MR Filip, F Sagredo, D Wing… - Physical review …, 2022 - APS
The dependence of ab initio many-body perturbation theory within the GW approximation on
the eigensystem used in calculating quasiparticle corrections limits this method's predictive …

Minimal molecular building blocks for screening in quasi-two-dimensional organic–inorganic lead halide perovskites

J McArthur, MR Filip, DY Qiu - Nano Letters, 2023 - ACS Publications
Layered hybrid organic–inorganic lead halide perovskites have intriguing optoelectronic
properties, but some of the most interesting perovskite systems, such as defective …

Quasiparticle and excitonic properties of monolayer within many-body perturbation theory

J Wu, B Hou, W Li, Y He, DY Qiu - Physical Review B, 2024 - APS
In the monolayer limit, 1 T′ WTe 2 is a two-dimensional topological insulator exhibiting the
quantum spin Hall effect and is believed to host an excitonic insulator ground state …

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 …

Fully relativistic /Bethe-Salpeter calculations in BerkeleyGW: implementation, symmetries, benchmarking, and performance

BA Barker, J Deslippe, J Lischner, M Jain… - arXiv preprint arXiv …, 2022 - arxiv.org
Computing the $ GW $ quasiparticle bandstructure and Bethe-Salpeter Equation (BSE)
absorption spectra for materials with spin-orbit coupling has commonly been done by …

[PDF][PDF] Supporting Information for Quasiparticle and Optical Properties of Carrier-Doped Monolayer MoTe2 from First Principles

A Champagne, JB Haber, S Pokawanvit, DY Qiu… - authors.library.caltech.edu
To obtain the mean-field starting point required for the calculation of the self-energy
operator, Σ, we first perform a DFT calculation with the Perdew-Burke-Ernzerhof (PBE) …