Electronic Resource
College Park, Md.
:
American Institute of Physics (AIP)
The Journal of Chemical Physics
110 (1999), S. 5548-5556
ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
We construct a path integral based approximation to rotationally inelastic collisions from which differential scattering cross sections are obtained for a number of atom–diatom systems. These are found to be in good agreement with IOS calculations on the same systems. In this approximation, the classical and near-classical paths that control scattering from a quantized system are deduced and this process reveals the origins of interference effects seen in theoretical calculations and some experimental measurements of angular distributions. This formulation provides physical insight into the important trajectories in systems where one or more degrees of freedom are quantized and could be regarded as an extension of classical S matrix theory, which for simple systems do not require root finding methods. © 1999 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.478452
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