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A theoretical analysis of time-dependent fragment momenta in indirect photofragmentation
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View: Figures


Image of FIG. 1.
FIG. 1.

Dissociation of a diatomic molecule via nonadiabatic dynamics, where free atomic fragments show up in electronic state “2.” The laser-induced nuclear wave packet is sketched in the quasibound part of the potential and in the asymptotic force-free region, at two different times, illustrating the stepwise formation of fragments. is the vertical excitation energy. The dashed lines indicate the linearized diabatic states in the crossing region.

Image of FIG. 2.
FIG. 2.

Probability distribution for the relative energy of fragments according to Eq. (16) (see text for details). The energy is in units of the energy spacing of the two states and time is measured in units of the associated vibrational period. The values of the maxima increase as a function of time but are here, for graphical purpose, rescaled.

Image of FIG. 3.
FIG. 3.

Probability distribution for relative momentum (in atomic units) of , after 0.5 and 3.0 ps, respectively. A Gaussian pump pulse of temporal duration (FWHM) 30 fs and center wavelength 328 nm is employed.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A theoretical analysis of time-dependent fragment momenta in indirect photofragmentation