Intramolecular vibrational energy redistribution as state space diffusion: classical-quantum correspondence.

@article{Semparithi2006IntramolecularVE,
  title={Intramolecular vibrational energy redistribution as state space diffusion: classical-quantum correspondence.},
  author={A. Semparithi and S. Keshavamurthy},
  journal={The Journal of chemical physics},
  year={2006},
  volume={125 14},
  pages={
          141101
        }
}
We study the intramolecular vibrational energy redistribution (IVR) dynamics of an effective spectroscopic Hamiltonian describing the four coupled high frequency modes of CDBrClF. The IVR dynamics ensuing from nearly isoenergetic zeroth-order states, an edge (overtone) and an interior (combination) state, is studied from a state space diffusion perspective. A wavelet based time-frequency analysis reveals an inhomogeneous phase space due to the trapping of classical trajectories. Consequently… Expand
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