Vibrational energy exchanges in H{sub 2} and D{sub 2} collisions; the effect of rotational coupling
- Univ. of Copenhagen (Denmark)
The importance of the Coriolis coupling term in vibration-to-translation (V-T/R) energy exchange in collisions between vibrational excited H{sub 2} and D{sub 2} molecules has been pointed out within a semiclassical {open_quotes}coupled state{close_quotes} method. According this model the quantum equations of motion for the vibrational amplitudes are solved numerically by expanding the total wave function in the basis of the centrifugally distorted Morse wave functions. It turns out that the inclusion of the centrifugal force in the quantum equations has a significant effect on the vibrational energy transfered during the collision and, in turn, on the V-T/R cross-sections. Furthermore, this effect critically depends both on the vibrational energy contents of the colliding molecules and the impact energy at which the collision takes place.
- OSTI ID:
- 127933
- Report Number(s):
- CONF-920376-; ISSN 0003-0503; TRN: 96:000378
- Journal Information:
- Bulletin of the American Physical Society, Vol. 37, Issue 9; Conference: Meeting of the American Physical Society, Indianapolis, IN (United States), 16-20 Mar 1992; Other Information: PBD: Dec 1992
- Country of Publication:
- United States
- Language:
- English
Similar Records
Quantum theory of vibrational, rotational, and translational energy exchange in collisions of polyatomic molecules. Application to methyl halides
Comparison of the harmonic and morse oscillator models in He + I/sub 2/ collisions using the vibrational/rotational infinite-order sudden approximation