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
Hauptverfasser: Chistikov, Daniil N., Finenko, Artem A., Kazakov, Konstantin V.
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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)].
ISSN:0022-4073
1879-1352
DOI:10.1016/j.jqsrt.2020.106874