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

Details Intramolecular vibrational energy redistribution as state space diffusion: Classical-quantum correspondence Intramolecular vibrational energy redistribution as state space diffusion: Classical-quantum correspondence

2007-01-30

arxiv.org/abs/physics/0701331v1

Journal of Chemical Physics, vol125, 141101 (2006)

Physics

Chemical Physics

5 pages, 3 figures

Scientific paper

10.1063/1.2358138

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 the interior state has a smaller effective IVR dimension as compared to the edge state.

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