Path integral simulations of condensed-phase vibrational spectroscopy

SC Althorpe - Annual Review of Physical Chemistry, 2024 - annualreviews.org
Recent theoretical and algorithmic developments have improved the accuracy with which
path integral dynamics methods can include nuclear quantum effects in simulations of …

Path-integral approximations to quantum dynamics

SC Althorpe - The European Physical Journal B, 2021 - Springer
Imaginary-time path-integral or 'ring-polymer'methods have been used to simulate quantum
(Boltzmann) statistical properties since the 1980s. This article reviews the more recent …

First-principles spectroscopy of aqueous interfaces using machine-learned electronic and quantum nuclear effects

V Kapil, DP Kovács, G Csányi, A Michaelides - Faraday Discussions, 2024 - pubs.rsc.org
Vibrational spectroscopy is a powerful approach to visualising interfacial phenomena.
However, extracting structural and dynamical information from vibrational spectra is a …

Vibrational strong coupling in liquid water from cavity molecular dynamics

AZ Lieberherr, STE Furniss, JE Lawrence… - The Journal of …, 2023 - pubs.aip.org
We assess the cavity molecular dynamics method for the calculation of vibrational polariton
spectra using liquid water as a specific example. We begin by disputing a recent suggestion …

[HTML][HTML] Quantum dynamics using path integral coarse-graining

F Musil, I Zaporozhets, F Noé, C Clementi… - The Journal of Chemical …, 2022 - pubs.aip.org
The vibrational spectra of condensed and gas-phase systems are influenced by thequantum-
mechanical behavior of light nuclei. Full-dimensional simulations of approximate quantum …

Fully first-principles surface spectroscopy with machine learning

Y Litman, J Lan, Y Nagata… - The Journal of Physical …, 2023 - ACS Publications
Our current understanding of the structure and dynamics of aqueous interfaces at the
molecular level has grown substantially due to the continuous development of surface …

Vibrational Spectra of Highly Anharmonic Water Clusters: Molecular Dynamics and Harmonic Analysis Revisited with Constrained Nuclear-Electronic Orbital Methods

Y Zhang, Y Wang, X Xu, Z Chen… - Journal of Chemical …, 2023 - ACS Publications
Vibrational spectroscopy is widely used to gain insights into structural and dynamic
properties of chemical, biological, and materials systems. Thus, an efficient and accurate …

[HTML][HTML] Perturbatively corrected ring-polymer instanton theory for accurate tunneling splittings

JE Lawrence, J Dušek, JO Richardson - The Journal of Chemical …, 2023 - pubs.aip.org
We introduce an approach for calculating perturbative corrections to the ring-polymer
instanton approximation to tunneling splittings (RPI+ PC) by computing higher-order terms in …

Inexpensive modeling of quantum dynamics using path integral generalized Langevin equation thermostats

V Kapil, DM Wilkins, J Lan, M Ceriotti - The Journal of chemical physics, 2020 - pubs.aip.org
The properties of molecules and materials containing light nuclei are affected by their
quantum mechanical nature. Accurate modeling of these quantum nuclear effects requires …

[HTML][HTML] Fast quasi-centroid molecular dynamics

T Fletcher, A Zhu, JE Lawrence… - The Journal of Chemical …, 2021 - pubs.aip.org
We describe a fast implementation of the quasi-centroid molecular dynamics (QCMD)
method in which the quasi-centroid potential of mean force is approximated as a separable …