Optika Atmosfery i Okeana Journal

Vol. 12, issue 02, article # 5

Starikov V. I. Transformation of the effective hamiltonian of non-rigid X₂Y molecules in the case of a pair resonances. // Atmospheric and oceanic optics. 1999. V. 12. No. 02. P. 118-124. PDF
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Abstract:

Transformation of the centrifugal distortion Hamiltonian describing a random pair resonance in non-rigid X₂Y molecules to the form having the least number of diagonals in the basis of rotational wavefunctions is considered. An influence of a large-amplitude oscillation upon such transformation is analyzed. The transformation is shown to change significantly the form of the initial Hamiltonian and to be diverging in some cases.