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On the vibron-polaron damping in quasi 1D macromolecular chains (1802.07424v1)
Published 21 Feb 2018 in cond-mat.mes-hall, cond-mat.soft, cond-mat.stat-mech, and hep-th
Abstract: The properties of the intramolecular vibrational excitation (vibron) in a quasi 1D macromolecular structure are studied. It is supposed that due to the vibron interaction with optical phonon modes, a vibron might form partially dressed small polaron states. The properties of these states are investigated in dependence on the basic system parameters and temperature of a thermal bath. We also investigate the process of damping of the polaron amplitude as a function of temperature and vibron-phonon coupling strength. Two different regimes of the polaron damping are found and discussed.
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