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Published November 1, 1986 | public
Journal Article Open

Iteratively determined effective Hamiltonians for the adiabatically reduced coupled equations approach to intramolecular dynamics calculations

Abstract

An iterative procedure is proposed for determining increasingly accurate effective Hamiltonians for use in the adiabatically reduced coupled equations approach to intramolecular dynamics calculations [J. Chem. Phys. 84, 2254 (1986)]. The relationships between this iterative determination of the effective Hamiltonian, which is based on an adiabatic approximation, and some other partitioning methods for determining an effective Hamiltonian are discussed. The present iterative procedure provides accurate agreement with the exact dynamics for the two specific model systems studied.

Additional Information

Copyright © 1986 American Institute of Physics. Received 20 June 1986; accepted 22 July 1986. It is a pleasure to acknowledge support of this research by the National Science Foundation. SJK gratefully acknowledges the support of a Natural Sciences and Engineering Research Council of Canada Postgraduate Scholarship, 1984-1986. Arthur Amos Noyes Laboratory of Chemical Physics, Contribution No. 7434.

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August 22, 2023
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