[HTML][HTML] Recent developments in the PySCF program package

Q Sun, X Zhang, S Banerjee, P Bao, M Barbry… - The Journal of …, 2020 - pubs.aip.org
P y SCF is a Python-based general-purpose electronic structure platform that supports first-
principles simulations of molecules and solids as well as accelerates the development of …

Coupled cluster theory in materials science

IY Zhang, A Grüneis - Frontiers in Materials, 2019 - frontiersin.org
The workhorse method of computational materials science is undeniably the density
functional theory (DFT) in the Kohn-Sham framework of approximate exchange and …

[HTML][HTML] NECI: N-Electron Configuration Interaction with an emphasis on state-of-the-art stochastic methods

K Guther, RJ Anderson, NS Blunt… - The Journal of …, 2020 - pubs.aip.org
We present NECI, a state-of-the-art implementation of the Full Configuration Interaction
Quantum Monte Carlo (FCIQMC) algorithm, a method based on a stochastic application of …

[HTML][HTML] A phaseless auxiliary-field quantum Monte Carlo perspective on the uniform electron gas at finite temperatures: Issues, observations, and benchmark study

J Lee, MA Morales, FD Malone - The Journal of Chemical Physics, 2021 - pubs.aip.org
We investigate the viability of the phaseless finite-temperature auxiliary-field quantum Monte
Carlo (ph-FT-AFQMC) method for ab initio systems using the uniform electron gas as a …

A parallel, distributed memory implementation of the adaptive sampling configuration interaction method

DB Williams-Young, NM Tubman… - The Journal of …, 2023 - pubs.aip.org
The many-body simulation of quantum systems is an active field of research that involves
several different methods targeting various computing platforms. Many methods commonly …

Finite-size effects in the reconstruction of dynamic properties from ab initio path integral Monte Carlo simulations

T Dornheim, J Vorberger - Physical Review E, 2020 - APS
We systematically investigate finite-size effects in the dynamic structure factor S (q, ω) of the
uniform electron gas obtained via the analytic continuation of ab initio path integral Monte …

A stochastic approach to unitary coupled cluster

MA Filip, AJW Thom - The Journal of Chemical Physics, 2020 - pubs.aip.org
Unitary coupled cluster (UCC), originally developed as a variational alternative to the
popular traditional coupled cluster method, has seen a resurgence as a functional form for …

Coordinate descent full configuration interaction

Z Wang, Y Li, J Lu - Journal of chemical theory and computation, 2019 - ACS Publications
We develop an efficient algorithm, coordinate descent FCI (CDFCI), for the electronic
structure ground-state calculation in the configuration interaction framework. CDFCI solves …

[HTML][HTML] TurboRVB: A many-body toolkit for ab initio electronic simulations by quantum Monte Carlo

K Nakano, C Attaccalite, M Barborini… - The Journal of …, 2020 - pubs.aip.org
TurboRVB is a computational package for ab initio Quantum Monte Carlo (QMC) simulations
of both molecular and bulk electronic systems. The code implements two types of well …

Exciting determinants in quantum Monte Carlo: Loading the dice with fast, low-memory weights

VA Neufeld, AJW Thom - Journal of Chemical Theory and …, 2018 - ACS Publications
High-quality excitation generators are crucial to the effectiveness of coupled cluster Monte
Carlo (CCMC) and full configuration interaction Quantum Monte Carlo (FCIQMC) …