Classical-Wigner Phase Space Approximation to Cumulative Matrix Elements in Coherent Control
B. R. McQuarrie, Dmitri G. Abrashkevich, Paul Brumer
Abstract
The classical limit of the Wigner-Weyl representation is used to approximate products of bound-continuum matrix elements that are fundamental to many coherent control computations. The range of utility of the method is quantified through an examination of model problems, single-channel Na2 dissociation and multi-arrangement channel photodissociation of CH2IBr. Very good agreement with the exact quantum results is found for a wide range of system parameters.
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