Nonadiabatic excited-state molecular dynamics methodologies: Comparison and convergence

VM Freixas, AJ White, T Nelson, H Song… - The Journal of …, 2021 - ACS Publications
Direct atomistic simulation of nonadiabatic molecular dynamics is a challenging goal that
allows important insights into fundamental physical phenomena. A variety of frameworks …

A unified framework of mixed quantum–classical dynamics with trajectory branching

G Li, C Shao, J Xu, L Wang - The Journal of Chemical Physics, 2022 - pubs.aip.org
As popular mixed quantum–classical dynamics methods, trajectory surface hop** and
Ehrenfest mean field have been widely utilized to simulate nonadiabatic dynamics …

Multi‐Configuration Time‐Dependent Hartree Methods: From Quantum to Semiclassical and Quantum‐Classical

M Bonfanti, GA Worth, I Burghardt - Quantum Chemistry and …, 2020 - Wiley Online Library
This chapter reviews multi‐configurational wave function propagation methods of the Multi‐
Configuration Time‐Dependent Hartree (MCTDH) family, with special emphasis on the …

[HTML][HTML] Ultrafast electron diffraction of photoexcited gas-phase cyclobutanone predicted by ab initio multiple cloning simulations

DV Makhov, L Hutton, A Kirrander… - The Journal of Chemical …, 2024 - pubs.aip.org
We present the result of our calculations of ultrafast electron diffraction (UED) for
cyclobutanone excited into the S 2 electronic state, which is based on the non-adiabatic …

Monitoring molecular vibronic coherences in a bichromophoric molecule by ultrafast X-ray spectroscopy

D Keefer, VM Freixas, H Song, S Tretiak… - Chemical …, 2021 - pubs.rsc.org
The role of quantum-mechanical coherences in the elementary photophysics of functional
optoelectronic molecular materials is currently under active study. Designing and controlling …

[HTML][HTML] The Ehrenfest method with fully quantum nuclear motion (Qu-Eh): Application to charge migration in radical cations

AJ Jenkins, KE Spinlove, M Vacher, GA Worth… - The Journal of …, 2018 - pubs.aip.org
An algorithm is described for quantum dynamics where an Ehrenfest potential is combined
with fully quantum nuclear motion (Quantum-Ehrenfest, Qu-Eh). The method is related to the …

[HTML][HTML] Real-time non-adiabatic dynamics in the one-dimensional Holstein model: Trajectory-based vs exact methods

M ten Brink, S Gräber, M Hopjan, D Jansen… - The Journal of …, 2022 - pubs.aip.org
We benchmark a set of quantum-chemistry methods, including multitrajectory Ehrenfest,
fewest-switches surface-hop**, and multiconfigurational-Ehrenfest dynamics, against …

An Exhaustive Quantum-Classical Study of C6F6+ Using the Newly Formulated Parallel TDDVR Method

S Sardar - The Journal of Physical Chemistry A, 2024 - ACS Publications
We recently implemented our parallelized quantum-classical dynamical approach, known as
the Time-Dependent Discrete Variable Representation (TDDVR) method, which is applied to …

Ehrenfest methods for electron and nuclear dynamics

A Kirrander, M Vacher - Quantum Chemistry and Dynamics of …, 2020 - Wiley Online Library
Rapid advances in ultrafast experiments have contributed to the rise of trajectory‐based
methods for describing nonadiabatic dynamics of molecular systems. In the present Chapter …