Collisional quantum interference on rotational energy transfer: The relationship between the interference angle and the rotational quantum number
Abstract
The observation of collisional quantum interference in intramolecular rotational energy transfer was obtained by Sha and co-workers in the CO(A()~1∏(v=0)～e()~3∑~-(v=1)) system in collision with He,Ne and Ar.,The interference degree was measured.Based on the first-Born approximation of time dependent perturbation theory,taking into account the long-range interaction potential and the straight-line trajectory approximation,we calculated respectively the interference angle with the different rotational quantum number,the different energy gap of collisional quantum interference rotational energy transfer in an atom-diatom system,the changing tendency of differential interference angle is obtained.This theoretical model is important to understanding or performing this kind of experiments.
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