Energy localization in molecules, bifurcation phenomena, and their spectroscopic signatures: The global view

SC Farantos, R Schinke, H Guo, M Joyeux - Chemical reviews, 2009 - ACS Publications
Controlling chemical reactions by selecting specific bond or vibrational mode excited states
of the reactants and analyzing the energy disposal into specific vibrational states as well as …

Theoretical ROVibrational Energies (TROVE): A robust numerical approach to the calculation of rovibrational energies for polyatomic molecules

SN Yurchenko, W Thiel, P Jensen - Journal of Molecular Spectroscopy, 2007 - Elsevier
We present a new computational method with associated computer program TROVE
(Theoretical ROVibrational Energies) to perform variational calculations of rovibrational …

Ultrafast isomerization initiated by X-ray core ionization

CE Liekhus-Schmaltz, I Tenney, T Osipov… - Nature …, 2015 - nature.com
Rapid proton migration is a key process in hydrocarbon photochemistry. Charge migration
and subsequent proton motion can mitigate radiation damage when heavier atoms absorb X …

Intramolecular vibrational energy redistribution and the quantum ergodicity transition: a phase space perspective

S Karmakar, S Keshavamurthy - Physical Chemistry Chemical Physics, 2020 - pubs.rsc.org
Intramolecular vibrational energy redistribution (IVR) impacts the dynamics of reactions in a
profound way. Theoretical and experimental studies are increasingly indicating that …

Dynamical tunnelling in molecules: quantum routes to energy flow

S Keshavamurthy - International Reviews in Physical Chemistry, 2007 - Taylor & Francis
Dynamical tunnelling, introduced in the molecular context, is more than two decades old and
refers to phenomena that are classically forbidden but allowed by quantum mechanics. The …

High-order contact transformations of molecular Hamiltonians: general approach, fast computational algorithm and convergence of ro-vibrational polyad models

V Tyuterev, S Tashkun, M Rey, A Nikitin - Molecular Physics, 2022 - Taylor & Francis
The paper describes methods and fast computational algorithm for building effective
Hamiltonians in molecular physics using perturbative approach. Separations of fast and …

Multiple coherent states for first-principles semiclassical initial value representation molecular dynamics

M Ceotto, S Atahan, GF Tantardini… - The Journal of chemical …, 2009 - pubs.aip.org
A multiple coherent states implementation of the semiclassical approximation is introduced
and employed to obtain the power spectra with a few classical trajectories. The method is …

Assigning quantum labels to variationally computed rotational-vibrational eigenstates of polyatomic molecules

E Mátyus, C Fábri, T Szidarovszky, G Czakó… - The Journal of …, 2010 - pubs.aip.org
A procedure is investigated for assigning physically transparent, approximate vibrational
and rotational quantum labels to variationally computed eigenstates. Pure vibrational wave …

Heavy Particle Impact Vibrational Excitation and Dissociation Processes in CO2

J Vargas, B Lopez, M Lino da Silva - The Journal of Physical …, 2021 - ACS Publications
A heavy particle impact vibrational excitation and dissociation model for CO2 is presented.
This state-to-state model is based on the forced harmonic oscillator (FHO) theory, which is …

Molecular spectroscopy and dynamics: a polyad-based perspective

M Herman, DS Perry - Physical Chemistry Chemical Physics, 2013 - pubs.rsc.org
The efficiency and insight of global, polyad-based modeling in overtone spectroscopy and
dynamics is demonstrated. Both vibration and vibration–rotation polyads are considered …