Dynamics of Quasiresonant Vibration-Rotation Transfer in Atom-Diatom Scattering
- 9 May 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 60 (19) , 1943-1946
- https://doi.org/10.1103/physrevlett.60.1943
Abstract
Quasiresonant vibration-rotation transfer in the collision of an atom with a diatomic molecule is studies with use of classical trajectories. At high molecular rotation rates and low collision velocities the atom-diatom interaction consists of a sequence of small collisions ("collisionettes"). This leads to a nearly perfect negative correlation between the changes in the rotational and vibrational actions and very large vibrationally inelastic cross sections. This quasiresonant process shows evidence of frequency locking between the vibrator and the rotational "oscillator."Keywords
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