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 …

Novel Criteria to Provide a Locality/Normality Degree in Molecules and Their Relevance in Physical Chemistry

E Suárez, O Guzmán-Juárez, R Lemus - Molecules, 2024 - pmc.ncbi.nlm.nih.gov
In contrast to the traditional analysis of molecules using local mode behavior, where the
degree of locality is given through a function in terms of Morse potential parameters, new …

A Spectroscopic Description of Asymmetric Isotopologues of CO2

M Bermúdez-Montaña… - The Journal of …, 2023 - ACS Publications
A polyad-conserving algebraic model applied to vibrational excitations of asymmetric
isotopologues of CO2 is presented. First, the problem of vibrational excitations is studied by …

An algebraic alternative for the accurate simulation of CO2 Raman spectra

M Bermúdez‐Montaña, M Carvajal… - Journal of Raman …, 2020 - Wiley Online Library
We present an accurate simulation of the Raman spectrum of the carbon dioxide molecule in
the 1150–1500 cm− 1 spectral range, comparing the results obtained using the three polyad …

Fundamental studies of vibrational resonance phenomena by multivalued resummation of the divergent Rayleigh–Schrödinger perturbation theory series: deciphering …

X Chang, EO Dobrolyubov… - Physical Chemistry …, 2022 - pubs.rsc.org
A fundamental quantitative study of the vibrational resonances of three H216O H, D-
isotopologues with a quartic Watson Hamiltonian was carried out using the resummation of …

Hypofluorous acid (HOF): A molecule with a rare (1,-2,-1) vibrational resonance and (8, 3, 2) polyad structure revealed by Padé-Hermite resummation of divergent …

SV Krasnoshchekov, EO Dobrolyubov… - Journal of Quantitative …, 2021 - Elsevier
A quantitative study of the vibrational resonance phenomena of the HOF (hypoflorous acid)
molecule for over 100 of its lower vibrational energy levels was carried out using …

Connection between the su(3) algebraic and configuration spaces: bending modes of linear molecules

MM Estévez-Fregoso, R Lemus - Molecular Physics, 2018 - Taylor & Francis
An approach to connect the dynamical group–used to describe the bending modes of linear
molecules–with configuration space is discussed. The group may be seen as a …

A study of the local to normal mode transition in pyramidal molecules and their vibrational description in terms of an algebraic model

O Guzmán-Juárez, E Suárez, R Lemus - Journal of Molecular Spectroscopy, 2023 - Elsevier
First a new perspective to study the local to normal mode transition in the series of pyramidal
molecules is presented. Then a full study of the vibrational excitations of the series of …

[HTML][HTML] Algebraic DVR approaches applied to piecewise potentials: symmetry and degeneracy

E Suárez, RD Santiago-Acosta, R Lemus - Symmetry, 2022 - mdpi.com
Algebraic discrete variable representation (DVR) methods that have been recently proposed
are applied to describe 1D and 2D piecewise potentials. First, it is shown that it is possible to …

Algebraic DVR Approaches Applied to Describe the Stark Effect

M Bermúdez-Montaña, M Rodríguez-Arcos, R Lemus… - Symmetry, 2020 - mdpi.com
Two algebraic approaches based on a discrete variable representation are introduced and
applied to describe the Stark effect in the non-relativistic Hydrogen atom. One approach …