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Article dans une revue

Calculated isotropic Raman spectra from interacting H2-rare-gas pairs

Abstract :

We report on a theoretical study of the H2–He and H2–Ar pair trace-polarizability and the corresponding isotropic Raman spectra. The conventional quantum mechanical approach for calculations of interaction-induced spectra, which is based on an isotropic interaction potential, is employed. This is compared with a close-coupling approach, which allows for inclusion of the full, anisotropic potential. It is established that the anisotropy of the potential plays a minor role for these spectra. The computed isotropic collision-induced Raman intensity, which is due to dissimilar pairs in H2–He and H2–Ar gas mixtures, is comparable to the intensities due to similar pairs (H2–H2, He–He, and Ar–Ar), which have been studied previously.

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Soumis le : mercredi 28 avril 2021 - 09:58:06
Dernière modification le : vendredi 20 mai 2022 - 18:34:01

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Magnus Gustafsson, Waldemar Głaz, Tadeusz Bancewicz, Jean-Luc Godet, George Maroulis, et al.. Calculated isotropic Raman spectra from interacting H2-rare-gas pairs. Journal of Physics: Conference Series, IOP Publishing, 2014, 548, pp.012027. ⟨10.1088/1742-6596/548/1/012027⟩. ⟨hal-03210720⟩



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