Abstract

To clarify the soliton behavior in heavily doped trans-polyacetylene, a sliding simulation of the charged soliton lattice is carried out. The mechanism to determine the sliding speed is studied. The speed is determined by a coupling between the passing solitons and the C-C stretching vibration. The period of the passing solitons is synchronized with one time the period of the C-C stretching vibration with higher soliton density, i.e., more than 6.7% in this simulation, where the energy of the carbon vibration is effectively used for the soliton lattice translation. And if the soliton density is lower, where the next soliton cannot catch up with the carbon vibration, the period is synchronized with more than one time and integer times the period of the C-C stretching vibration.

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