Abstract—
Carbon dioxide absorption broadened by argon is studied on the basis of the asymptotic line wing theory. The line shape parameters concerned with the classical potential, which governs the center-of-mass motion, and the quantum intermolecular interaction potential are found. The temperature dependence of the CO2–Ar absorption beyond the 4.3 μm band edge is explained through changes in the classical potential, which describes the temperature behavior of the second virial coefficient in the temperature region under study.
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Funding
The work was supported by the Ministry of Science and Higher Education of the Russian Federation (V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences).
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Rodimova, O.B. Calculation of the Absorption Coefficient of Ar-Broadened CO2 in the 4.3 μm Band Wing on the Basis of Asymptotic Line Wing Theory. Atmos Ocean Opt 37, 162–165 (2024). https://doi.org/10.1134/S1024856024700192
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DOI: https://doi.org/10.1134/S1024856024700192