Recent advances in collisional effects on spectra of molecular gases and their practical consequences

JM Hartmann, H Tran, R Armante, C Boulet… - Journal of Quantitative …, 2018 - Elsevier
We review progress, since publication of the book``Collisional effects on molecular spectra:
Laboratory experiments and models, consequences for applications"(Elsevier, Amsterdam …

The first comprehensive dataset of beyond-Voigt line-shape parameters from ab initio quantum scattering calculations for the HITRAN database: He-perturbed H2 …

P Wcisło, F Thibault, N Stolarczyk, H Jóźwiak… - Journal of Quantitative …, 2021 - Elsevier
We demonstrate a new method for populating line-by-line spectroscopic databases with
beyond-Voigt line-shape parameters, which is based on ab initio quantum scattering …

Evaluation of different parameterizations of temperature dependences of the line-shape parameters based on ab initio calculations: Case study for the HITRAN …

N Stolarczyk, F Thibault, H Cybulski, H Jóźwiak… - Journal of Quantitative …, 2020 - Elsevier
Temperature dependences of molecular line-shape parameters are important for the
spectroscopic studies of the atmospheres of the Earth and other planets. A number of …

Subpercent agreement between ab initio and experimental collision-induced line shapes of carbon monoxide perturbed by argon

G Kowzan, H Cybulski, P Wcisło, M Słowiński, A Viel… - Physical Review A, 2020 - APS
We present fully ab initio calculations of second-overtone rovibrational line shapes of carbon
monoxide perturbed by argon. The quantum mechanical scattering problem between CO …

Prediction of high-order line-shape parameters for air-broadened O2 lines using requantized classical molecular dynamics simulations and comparison with …

DD Tran, VT Sironneau, JT Hodges, R Armante… - Journal of Quantitative …, 2019 - Elsevier
Line-shape models such as the Hartmann-Tran (HT) profile have adjustable high-order
parameters that are usually determined by fits to experimental spectra. As an alternative …

Line-shape parameters and their temperature dependences predicted from molecular dynamics simulations for O2-and air-broadened CO2 lines

HT Nguyen, NH Ngo, H Tran - Journal of Quantitative Spectroscopy and …, 2020 - Elsevier
Requantized classical molecular dynamics simulations (rCMDS) were performed for CO 2
highly diluted in O 2 at 200, 250, 296 and 350 K using a site-site intermolecular potential …

[HTML][HTML] Fully quantum calculations of the line-shape parameters for the Hartmann-Tran profile: A CO-Ar case study

G Kowzan, P Wcisło, M Słowiński, P Masłowski… - Journal of Quantitative …, 2020 - Elsevier
We present a procedure for generating the parameters of the Hartmann-Tran profile (HTP)
from purely first principles calculations. Starting from an absorber-perturber interaction …

Prediction of line shape parameters and their temperature dependences for CO2–N2 using molecular dynamics simulations

HT Nguyen, NH Ngo, H Tran - The Journal of Chemical Physics, 2018 - pubs.aip.org
We show in this paper that requantized classical molecular dynamics simulations (rCMDSs)
are capable of predicting various refined spectral-shape parameters of absorption lines of …

Fully quantum calculations of the line shape parameters for 1-0 P (22) and P (31) lines of CO perturbed by He or Ar

S Chai, Q Chen, D Yang, Y Zhou, D Xie - The Journal of Chemical …, 2022 - pubs.aip.org
This work reports the full quantum calculations of the spectral line shape parameters for the
P (22) line of 13 CO and the P (31) line of 12 CO in the fundamental band perturbed by He …

Toward measurements of the speed-dependence of line-mixing

C Boulet, JM Hartmann - Journal of Quantitative Spectroscopy and …, 2021 - Elsevier
We theoretically demonstrate that some doublets of NH 3 broadened by Ar and heavier
atoms may be suitable for the first experimental demonstration of a so-far unstudied …