Coriolis effects in the rovibrational structure of an atom-diatom dimer
•A perturbational treatment of Coriolis interaction in the atom-diatom dimer is performed, taking the Ar-HCl complex as an example.•The study of rovibrational level structure is performed using coupled channel formulation.•The properties of a perturbation series are discussed; the results of perturb...
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Veröffentlicht in: | Journal of quantitative spectroscopy & radiative transfer 2020-04, Vol.245, p.106874, Article 106874 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | •A perturbational treatment of Coriolis interaction in the atom-diatom dimer is performed, taking the Ar-HCl complex as an example.•The study of rovibrational level structure is performed using coupled channel formulation.•The properties of a perturbation series are discussed; the results of perturbation analysis are compared with those from close-coupling calculations.
The rovibrational levels for truly bound states were calculated for a weakly interacting dimer comprising an atom and a diatomic molecule. The off-diagonal Coriolis corrections were evaluated with perturbation theory. For the Ar - HCl dimer as a concrete example, the obtained results are compared with those from computer code BOUND [J. M. Hutson and C. R. Le Sueur. Comput. Phys. Commun., 241, 1–8, (2019)]. |
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ISSN: | 0022-4073 1879-1352 |
DOI: | 10.1016/j.jqsrt.2020.106874 |