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Coherent Control of Chemical Reactions 217
FIGURE 11 Phase lags for the photodissociation and photoionization of HI in the vicinity of the 5d(π,δ) resonance.
[From Fiss, J. A., Khachatrian, A., Zhu, L., Gordon, R. J., and Seidman, T. (1999). Disc. Faraday. Soc. 113, 61.
Reproduced by permission of the Royal Society of Chemistry.]
The solution of this equation (t) is with the initial where g (r, R) denotes the electronic wave function
condition (0) at t = 0. and X gv (R) denotes the nuclear wave function. Here r
Within the Born–Oppenheimer approximation, the ini- and R are the coordinates of the electrons and nuclei,
tialwavefunctionisexpressedas (0) = g (r, R)X gv (R), respectively. In the case of a weak field in which the
