Quantum and quantum-classical studies of the photoisomerization of a retinal chromophore model

E Marsili, M Olivucci, D Lauvergnat… - Journal of Chemical …, 2020 - ACS Publications
We report an in-depth analysis of the photo-induced isomerization of the 2-cis-penta-2, 4-
dieniminium cation: a minimal model of the 11-cis retinal protonated Schiff base …

A first principles derivation of energy-conserving momentum jumps in surface hopping simulations

DM Huang, AT Green, CC Martens - The Journal of Chemical Physics, 2023 - pubs.aip.org
The fewest switches surface hopping (FSSH) method proposed by Tully in 1990 [Tully, J.
Chem. Phys. 93, 1061 (1990)]—along with its many later variations—forms the basis for …

When the exact factorization meets conical intersections...

F Agostini, BFE Curchod - The European Physical Journal B, 2018 - Springer
Capturing nuclear dynamics through conical intersections is pivotal to understand the fate of
photoexcited molecules. The concept of a conical intersection, however, belongs to a …

Zombie cats on the quantum–classical frontier: Wigner–Moyal and semiclassical limit dynamics of quantum coherence in molecules

AT Green, CC Martens - The Journal of Chemical Physics, 2023 - pubs.aip.org
In this paper, we investigate the time evolution of quantum coherence—the off-diagonal
elements of the density matrix of a multistate quantum system—from the perspective of the …

Extracting the Geometric Phase from the Ensemble of Trajectories

H Yang, Y Zheng - The Journal of Physical Chemistry A, 2024 - ACS Publications
Traditionally, methods designed to investigate the effects of the geometric phase in reaction
dynamics, such as including a vector potential in the nuclear Hamiltonian, necessitate the …

Electronic dynamics through conical intersections via non-Markovian stochastic Schrödinger equation with complex modes

Y Guo, X Gao - The Journal of Chemical Physics, 2024 - pubs.aip.org
Conical intersections (CIs) play a crucial role in photochemical reactions, offering an efficient
channel for ultrafast non-adiabatic relaxation of excited states. This significantly influences …

A surface-hopping method for semiclassical calculations of cross sections for radiative association with electronic transitions

P Szabó, M Gustafsson - The Journal of Chemical Physics, 2017 - pubs.aip.org
A semiclassical method based on surface-hopping techniques is developed to model the
dynamics of radiative association with electronic transitions. It can be proven that this …

Nonadiabatic photochemistry induced by inaccessible conical intersections

CA Farfan, DB Turner - The Journal of Physical Chemistry A, 2019 - ACS Publications
Conical intersections are ubiquitous in photochemical processes, where nonadiabatic
transfer induces ultrafast nonradiative decay from an excited state. Although they eluded …

High-order harmonic generation probing of a ring-opening reaction

L Bauerle, A Jaron - arXiv preprint arXiv:2408.02216, 2024 - arxiv.org
Using Time-Dependent Density Functional Theory (TDDFT) nonlinear nonperturbative
response of the molecular system is studied for photoisomerization reaction. The 1, 3 …

Comparison of moving and fixed basis sets for nonadiabatic quantum dynamics at conical intersections

E Titov, A Humeniuk, R Mitrić - Chemical Physics, 2020 - Elsevier
We assess the performance of two different types of basis sets for nonadiabatic quantum
dynamics at conical intersections. The basis sets of both types are generated using …