Molecular photochemistry: recent developments in theory

S Mai, L González - Angewandte Chemie International Edition, 2020 - Wiley Online Library
Photochemistry is a fascinating branch of chemistry that is concerned with molecules and
light. However, the importance of simulating light‐induced processes is reflected also in …

Theoretical insights into the surface physics and chemistry of redox-active oxides

R Rousseau, VA Glezakou, A Selloni - Nature Reviews Materials, 2020 - nature.com
Redox-active oxides find use in many applications, including catalysts, photovoltaic devices,
self-cleaning glasses, chemical sensors and electronic components. Their utility derives …

Computational Modeling and Simulation of CO2 Capture by Aqueous Amines

X Yang, RJ Rees, W Conway, G Puxty, Q Yang… - Chemical …, 2017 - ACS Publications
We review the literature on the use of computational methods to study the reactions between
carbon dioxide and aqueous organic amines used to capture CO2 prior to storage, reuse, or …

Modeling absorption spectra of molecules in solution

TJ Zuehlsdorff, CM Isborn - International Journal of Quantum …, 2019 - Wiley Online Library
The presence of solvent tunes many properties of a molecule, such as its ground and
excited state geometry, dipole moment, excitation energy, and absorption spectrum …

Excitation energies from diffusion Monte Carlo using selected configuration interaction nodes

A Scemama, A Benali, D Jacquemin… - The Journal of …, 2018 - pubs.aip.org
Quantum Monte Carlo (QMC) is a stochastic method that has been particularly successful for
ground-state electronic structure calculations but mostly unexplored for the computation of …

Deterministic construction of nodal surfaces within quantum Monte Carlo: the case of FeS

A Scemama, Y Garniron, M Caffarel… - Journal of chemical …, 2018 - ACS Publications
In diffusion Monte Carlo (DMC) methods, the nodes (or zeroes) of the trial wave function
dictate the magnitude of the fixed-node (FN) error. In standard DMC implementations, the …

Variational principles in quantum Monte Carlo: The troubled story of variance minimization

A Cuzzocrea, A Scemama, WJ Briels… - Journal of chemical …, 2020 - ACS Publications
We investigate the use of different variational principles in quantum Monte Carlo, namely,
energy and variance minimization, prompted by the interest in the robust and accurate …

Molecules in environments: Toward systematic quantum embedding of electrons and Drude oscillators

M Ditte, M Barborini, L Medrano Sandonas… - Physical Review Letters, 2023 - APS
We develop a quantum embedding method that enables accurate and efficient treatment of
interactions between molecules and an environment, while explicitly including many-body …

A hybrid approach to excited-state-specific variational Monte Carlo and doubly excited states

L Otis, IM Craig, E Neuscamman - The Journal of Chemical Physics, 2020 - pubs.aip.org
We extend our hybrid linear-method/accelerated-descent variational Monte Carlo
optimization approach to excited states and investigate its efficacy in double excitations. In …

A promising intersection of excited‐state‐specific methods from quantum chemistry and quantum Monte Carlo

L Otis, E Neuscamman - Wiley Interdisciplinary Reviews …, 2023 - Wiley Online Library
We present a discussion of recent progress in excited‐state‐specific quantum chemistry and
quantum Monte Carlo alongside a demonstration of how a combination of methods from …