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Article dans une revue

Collision-induced absorption by CO2 in the far infrared: Analysis of leading-order moments and interpretation of the experiment

Abstract :

The diagrammatic theory, developed recently by the authors [ Phys. Rev. A 74 012732 (2006)], is applied to binary collision-induced properties, with emphasis on induced dipole moments. Assuming rototranslational dynamics to be classical and using irreducible spherical tensor formalism, exact analytical formulas are worked out for the two leading order spectral moments of a collision-induced band by two interacting linear molecules. The formulas are applied to the far infrared absorption by CO2-CO2, and permit interpretation of the experiment. This study provides evidence of the adequacy of the electrostatic induction mechanism, provided that hitherto missing vibrational terms of static polarizability are considered.

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https://hal.univ-angers.fr/hal-03420410
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Soumis le : mardi 9 novembre 2021 - 10:41:57
Dernière modification le : mercredi 10 novembre 2021 - 04:07:12

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A.-P. Kouzov, Michel Chrysos. Collision-induced absorption by CO2 in the far infrared: Analysis of leading-order moments and interpretation of the experiment. Physical Review A, American Physical Society, 2009, 80 (4), Non spécifié. ⟨10.1103/PhysRevA.80.042703⟩. ⟨hal-03420410⟩

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