1998 Volume 71 Issue 6 Pages 1315-1320
In our previous paper (Int. J. Quant. Chem., in press1)) we discussed a novel numerical calculation scheme for the dynamics of a quantum network for linear molecular aggregates under time-dependent electric fields. The population and polarizability spectra for dimer models were found to exhibit a change, like a phase-transition behavior, for applied field intensities. In the present work we apply this method to a calculation of nonperturbative second hyperpolarizability γ of a dimer model and investigate the dependence of γ on the field intensity.
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