Broadening and shifting of vibrational-rotational lines corresponding to the highly excited rotational states of the water molecule |
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| Authors: | V. I. Starikov and S. N. Mikhailenko |
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| Affiliation: | 1.Tomsk State University of Control Systems and Radioelectronics,Tomsk,Russia;2.Zuev Institute of Atmospheric Optics,Siberian Branch of the Russian Academy of Sciences,Tomsk,Russia |
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| Abstract: | Self-pressure-induced, as well as argon- and nitrogen-induced, broadening γ and shifting δ coefficients of vibrational-rotational lines of the water molecule have been calculated. The asymptotic behavior of the coefficients γ and δ at J → 42 and K a → J has been studied. For the calculation of the parameters γ and δ, we used the wave functions obtained from the analysis of highly excited rotational states of the H2O molecule with the maximal ever observed values of rotational quantum numbers J max = 42, K amax = 32. Rotational states were analyzed in the method of effective Hamiltonians using generating functions for the first eight vibrational states of the molecule. |
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