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Quantum functional sensitivity analysis within the log-derivative Kohn variational method for reactive scattering.
- Source :
-
Journal of Chemical Physics . 11/1/1992, Vol. 97 Issue 9, p6226. 14p. - Publication Year :
- 1992
-
Abstract
- A new approach to calculating quantum functional sensitivity maps of transition probabilities is described in this paper. This approach is based on the log-derivative version of the Kohn variational principle and is applied here to the collinear H+H2 hydrogen exchange reaction. The sensitivity maps provide detailed quantitative information about how variations in the potential energy surface affect the state-to-state transition probabilities. The key issues investigated are (i) the evolution of sensitivity structure in the 0.30–1.50 eV range of total energy; (ii) the comparison of sensitivity structure on the Porter–Karplus, the Liu–Siegbahn–Truhlar–Horowitz, and the double-many-body-expansion potential energy surfaces; and (iii) the range of linearity for first order sensitivity predictions. [ABSTRACT FROM AUTHOR]
- Subjects :
- *SCATTERING (Physics)
*HYDROGEN
*POTENTIAL energy surfaces
Subjects
Details
- Language :
- English
- ISSN :
- 00219606
- Volume :
- 97
- Issue :
- 9
- Database :
- Academic Search Index
- Journal :
- Journal of Chemical Physics
- Publication Type :
- Academic Journal
- Accession number :
- 7619620
- Full Text :
- https://doi.org/10.1063/1.463706