Abstract
Abstract The spectral and temporal characteristics of resonant secondary radiation have been calculated for a three-level system coupled with a reservoir. The system-reservoir interaction has been simulated by a Gaussian-Markovian energy modulation in the intermediate state. Simple intensity relations have been obtained for the secondary radiation components, which are useful to determine ultrafast relaxation parameters in the excited states of condensed phases. The calculation indicates that Raman scattering should be considered to occur, under just-resonance excitation, within a duration around the reciprocal homogeneous absorption bandwidth. This is shown to be consistent with experimental data.
Published Version
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