Articles written in Journal of Chemical Sciences

    • Effect of anharmonicity on energy relaxation of a dissipative quantum oscillator


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      The effect of anharmonicity on the energy relaxation of excited state has been studied by means of a dissipative oscillator. The present study also sheds light on the recent femtosecond stimulated Raman spectroscopy results of Kovalenko et al. (J. Chem. Phys. 139 011101 2013) on optical cooling of trans-stilbene.It has been shown that anharmonicity plays a crucial role in explaining the time-dependent frequency shift as well as the time evolution of bandwidth of νC=C mode of trans-stilbene in excited state, found in experiment.

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