Kreek, H. and Marcus, R. A. (1974) Semiclassical collision theory. Multidimensional integral method. Journal of Chemical Physics, 61 (8). pp. 3308-3312. ISSN 0021-9606 http://resolver.caltech.edu/CaltechAUTHORS:20120809-112855158
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Numerical results on the integral expression for the semiclassical S matrix are compared with exact quantum results for a multidimensional problem. The collision of a rigid rotor with an atom is treated. The integral method proves to be easy to apply. Within its range of maximum validity (no sign changes in the pre‐exponential factor of the semiclassical wavefunction) the agreement was typically within 20%. When sign changes occurred, the agreement was about a factor of 2 or better. Conditions affecting sign changes are described.
|Additional Information:||© 1974 American Institute of Physics. Received 3 June 1974. Supported in part by a grant from the National Science Foundation. We are indebted to Dr. Richard Ellis of this laboratory for these equations.|
|Official Citation:||Semiclassical collision theory. Multidimensional integral method H. Kreek and R. A. Marcus, J. Chem. Phys. 61, 3308 (1974), DOI:10.1063/1.1682492|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Aucoeur Ngo|
|Deposited On:||09 Aug 2012 20:55|
|Last Modified:||26 Dec 2012 15:55|
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