Nuclear quantum effects in water and aqueous systems: Experiment, theory, and current challenges

M Ceriotti, W Fang, PG Kusalik, RH McKenzie… - Chemical …, 2016 - ACS Publications
Nuclear quantum effects influence the structure and dynamics of hydrogen-bonded systems,
such as water, which impacts their observed properties with widely varying magnitudes. This …

G aussian approximation potentials: A brief tutorial introduction

AP Bartók, G Csányi - International Journal of Quantum …, 2015 - Wiley Online Library
We present a swift walk‐through of our recent work that uses machine learning to fit
interatomic potentials based on quantum mechanical data. We describe our Gaussian …

Machine learning a general-purpose interatomic potential for silicon

AP Bartók, J Kermode, N Bernstein, G Csányi - Physical Review X, 2018 - APS
The success of first-principles electronic-structure calculation for predictive modeling in
chemistry, solid-state physics, and materials science is constrained by the limitations on …

Big data meets quantum chemistry approximations: the Δ-machine learning approach

R Ramakrishnan, PO Dral, M Rupp… - Journal of chemical …, 2015 - ACS Publications
Chemically accurate and comprehensive studies of the virtual space of all possible
molecules are severely limited by the computational cost of quantum chemistry. We …

Modeling polymorphic molecular crystals with electronic structure theory

GJO Beran - Chemical reviews, 2016 - ACS Publications
Interest in molecular crystals has grown thanks to their relevance to pharmaceuticals,
organic semiconductor materials, foods, and many other applications. Electronic structure …

Accuracy and transferability of Gaussian approximation potential models for tungsten

WJ Szlachta, AP Bartók, G Csányi - Physical Review B, 2014 - APS
We introduce interatomic potentials for tungsten in the bcc crystal phase and its defects
within the Gaussian approximation potential framework, fitted to a database of first-principles …

Deep dive into machine learning density functional theory for materials science and chemistry

L Fiedler, K Shah, M Bussmann, A Cangi - Physical Review Materials, 2022 - APS
With the growth of computational resources, the scope of electronic structure simulations has
increased greatly. Artificial intelligence and robust data analysis hold the promise to …

Self-interaction error overbinds water clusters but cancels in structural energy differences

K Sharkas, K Wagle, B Santra, S Akter… - Proceedings of the …, 2020 - National Acad Sciences
We gauge the importance of self-interaction errors in density functional approximations
(DFAs) for the case of water clusters. To this end, we used the Fermi–Löwdin orbital self …

Noncovalent interactions by quantum Monte Carlo

M Dubecky, L Mitas, P Jurecka - Chemical Reviews, 2016 - ACS Publications
Quantum Monte Carlo (QMC) is a family of stochastic methods for solving quantum many-
body problems such as the stationary Schrödinger equation. The review introduces basic …

[HTML][HTML] On the accuracy of van der Waals inclusive density-functional theory exchange-correlation functionals for ice at ambient and high pressures

B Santra, J Klimeš, A Tkatchenko, D Alfè… - The Journal of …, 2013 - pubs.aip.org
Density-functional theory (DFT) has been widely used to study water and ice for at least 20
years. However, the reliability of different DFT exchange-correlation (xc) functionals for water …