Routine molecular dynamics simulations including nuclear quantum effects: From force fields to machine learning potentials

T Plé, N Mauger, O Adjoua, TJ Inizan… - Journal of Chemical …, 2023 - ACS Publications
We report the implementation of a multi-CPU and multi-GPU massively parallel platform
dedicated to the explicit inclusion of nuclear quantum effects (NQEs) in the Tinker-HP …

[HTML][HTML] Use the force! Reduced variance estimators for densities, radial distribution functions, and local mobilities in molecular simulations

B Rotenberg - The Journal of Chemical Physics, 2020 - pubs.aip.org
Even though the computation of local properties, such as densities or radial distribution
functions, remains one of the most standard goals of molecular simulation, it still largely …

Harmonic Oscillator Staging Coordinates for Efficient Path Integral Simulations of Quantum Oscillators and Crystals

SG Moustafa, AJ Schultz - Journal of Chemical Theory and …, 2024 - ACS Publications
Imaginary-time path integral (PI) is a rigorous quantum mechanical tool to compute static
properties at finite temperatures. However, the stiff nature of the internal PI modes poses a …

Small nuclear quantum effects in scattering of H and D from graphene

H Jiang, X Tao, M Kammler, F Ding… - The Journal of …, 2021 - ACS Publications
We study nuclear quantum effects in H/D sticking to graphene, comparing scattering
experiments at near-zero coverage with classical, quantized, and transition-state …

Convergence of unadjusted Hamiltonian Monte Carlo for mean-field models

N Bou-Rabee, K Schuh - Electronic Journal of Probability, 2023 - projecteuclid.org
We present dimension-free convergence and discretization error bounds for the unadjusted
Hamiltonian Monte Carlo algorithm applied to high-dimensional probability distributions of …

[HTML][HTML] Equilibrium–nonequilibrium ring-polymer molecular dynamics for nonlinear spectroscopy

T Begušić, X Tao, GA Blake, TF Miller - The Journal of Chemical …, 2022 - pubs.aip.org
Two-dimensional Raman and hybrid terahertz-Raman spectroscopic techniques provide
invaluable insight into molecular structures and dynamics of condensed-phase systems …

NQCDynamics. jl: A Julia package for nonadiabatic quantum classical molecular dynamics in the condensed phase

J Gardner, OA Douglas-Gallardo, WG Stark… - The Journal of …, 2022 - pubs.aip.org
Accurate and efficient methods to simulate nonadiabatic and quantum nuclear effects in high-
dimensional and dissipative systems are crucial for the prediction of chemical dynamics in …

Microcanonical rates from ring-polymer molecular dynamics: Direct-shooting, stationary-phase, and maximum-entropy approaches

X Tao, P Shushkov, TF Miller - The Journal of Chemical Physics, 2020 - pubs.aip.org
We address the calculation of microcanonical reaction rates for processes involving
significant nuclear quantum effects using ring-polymer molecular dynamics (RPMD), both …

New Stable and Fast Ring-Polymer Molecular Dynamics for Calculating Bimolecular Rate Coefficients with an Example of OH + CH4

X Gui, W Fan, J Sun, Y Li - Journal of Chemical Theory and …, 2022 - ACS Publications
The accurate and efficient calculation of the rate coefficients of chemical reactions is a key
issue in the research of chemical dynamics. In this work, by applying the dimension-free …

Two-scale coupling for preconditioned Hamiltonian Monte Carlo in infinite dimensions

N Bou-Rabee, A Eberle - … and Partial Differential Equations: Analysis and …, 2021 - Springer
We derive non-asymptotic quantitative bounds for convergence to equilibrium of the exact
preconditioned Hamiltonian Monte Carlo algorithm (pHMC) on a Hilbert space. As a …