CO2 line shape in far wings: from virial coefficients to radiation fluxes

Stanislav D. Tvorogov; Olga B. Rodimova

doi:10.1117/12.724923

12 December 2006 CO₂ line shape in far wings: from virial coefficients to radiation fluxes

Stanislav D. Tvorogov, Olga B. Rodimova

Author Affiliations +

Proceedings Volume 6580, 15th Symposium on High-Resolution Molecular Spectroscopy; 65800I (2006) https://doi.org/10.1117/12.724923
Event: 15th Symposium on High-Resolution Molecular Spectroscopy, 2006, Nizhny Novgorod, Russian Federation

Abstract

Intermolecular interaction potential appears to be a value which performs the relationship between divisions of physics seemingly far from each other. Accurate consideration of the quantum problem of interacting molecules allows one to refine the employment of theoretical expressions for the potential describing one or other type ofprocesses. Thus, the potential which can be named classical one is common for the absorption coefficient in the line wing and for the second virial coefficient. This fact provides a possibility of using the temperature dependent classical potential obtained from the line wing absorption coefficient data for the calculation of the second virial coefficient. The use of the line wing absorption coefficient following from the line wing theory, which is appreciably defined by the behaviour of the classical intermolecular interaction potential, leads to noticeable changes in the cooling rates at large heights in some spectral regions.

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Stanislav D. Tvorogov and Olga B. Rodimova "CO₂ line shape in far wings: from virial coefficients to radiation fluxes", Proc. SPIE 6580, 15th Symposium on High-Resolution Molecular Spectroscopy, 65800I (12 December 2006); https://doi.org/10.1117/12.724923

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