Contour plot of the potential energy surface given by Eq. (32). Solid and dashed lines represent, respectively, energy contours above and below the dissociation onset, at (thick solid line).
(a) Poincaré surface of the section for the collinear OCS model at . The solid line represents the total energy contour. (b) Distance between two nearby trajectories (with ) chosen in the stable region (▾) and in the chaotic sea (▴). The high-frequency oscillations have been averaged out in both cases [the smoothing causes to appear as if it does not begin at zero]. (c) CS bond vibrational energy corresponding to the chaotic trajectory of part (b).
IVR control in OCS: (a) IVR suppression and (b) IVR enhancement. The parameters defining the optimal superposition for are given in Table II.
Individual decay for wave functions consisting of each individual eigenvector used in the construction of the optimal superpositions. The labels correspond to those given in Table II.
Contribution of (dashed line) and (dotted line) to (a) IVR suppression and (b) IVR enhancement. The solid line represents the corresponding function from Figs. 3.
Wave packet evolution corresponding to IVR suppression. Dashed lines represent equipotential energy contours, with the innermost corresponding to the wave packet energy .
Wave packet evolution corresponding to IVR enhancement. Dashed lines represent equipotential energy contours, with the innermost corresponding to the wave packet energy
Parameters defining the potential energy surface given by Eq. (32). All magnitudes are given in a.u.
Values corresponding to the eigenstates for the (uncoupled) CS bond used in the optimized superpositions. denotes the energy associated to these eigenstates; and are the real and imaginary parts of the coefficients, respectively; and is the decay time (see text for details). The optimization to maximize/minimize the energy transfer into the CO bond (suppression/enhancement of IVR) has been carried out at . The energy corresponding to the group state in the (uncoupled) CO bond is
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