Gaussian process regression for materials and molecules

VL Deringer, AP Bartók, N Bernstein… - Chemical …, 2021 - ACS Publications
We provide an introduction to Gaussian process regression (GPR) machine-learning
methods in computational materials science and chemistry. The focus of the present review …

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 …

Machine learning directed optimization of classical molecular modeling force fields

BJ Befort, RS DeFever, GM Tow… - Journal of Chemical …, 2021 - ACS Publications
Accurate force fields are necessary for predictive molecular simulations. However,
developing force fields that accurately reproduce experimental properties is challenging …

Determination of hyper-parameters in the atomic descriptors for efficient and robust molecular dynamics simulations with machine learning forces

J Lin, R Tamura, Y Futamura, T Sakurai… - Physical Chemistry …, 2023 - pubs.rsc.org
The atomic descriptors used in machine learning to predict forces are often high
dimensional. In general, by retrieving a significant amount of structural information from …

Development of a machine-learning-based ionic-force correction model for quantum molecular dynamic simulations of warm dense matter

JP Hinz, VV Karasiev, SX Hu, DI Mihaylov - Physical Review Materials, 2023 - APS
In this paper Δ learning is used to map orbital-free density functional theory (DFT) ionic
forces to the corresponding Kohn-Sham (KS) DFT ionic forces. The development of the …

Structural analysis based on unsupervised learning: Search for a characteristic low-dimensional space by local structures in atomistic simulations

R Tamura, M Matsuda, J Lin, Y Futamura, T Sakurai… - Physical Review B, 2022 - APS
Owing to the advances in computational techniques and the increase in computational
power, atomistic simulations of materials can simulate large systems with higher accuracy …

Extraction of local structure differences in silica based on unsupervised learning

AKA Lu, J Lin, Y Futamura, T Sakurai… - Physical Chemistry …, 2024 - pubs.rsc.org
Silica exhibits a rich phase diagram with numerous stable structures existing at different
temperature and pressure conditions, including its glassy form. In large-scale atomistic …

A reactive molecular dynamics model for uranium/hydrogen containing systems

A Soshnikov, R Lindsey, A Kulkarni… - The Journal of Chemical …, 2024 - pubs.aip.org
Uranium-based materials are valuable assets in the energy, medical, and military industries.
However, understanding their sensitivity to hydrogen embrittlement is particularly …

Data-driven determination of the spin Hamiltonian parameters and their uncertainties: The case of the zigzag-chain compound

R Tamura, K Hukushima, A Matsuo, K Kindo, M Hase - Physical Review B, 2020 - APS
We propose a data-driven technique to estimate the spin Hamiltonian, including uncertainty,
from multiple physical quantities. Using our technique, an effective model of KCu 4 P 3 O 12 …

Emergence of Accurate Atomic Energies from Machine Learned Noble Gas Potentials

F Uhlig, S Tovey, C Holm - arXiv preprint arXiv:2403.00377, 2024 - arxiv.org
The quantum theory of atoms in molecules (QTAIM) gives access to well-defined local
atomic energies. Due to their locality, these energies are potentially interesting in fitting …