Abstract
The charge transfer in a Holstein molecular chain placed in a uniform electric field has been numerically simulated. It has been shown that for given parameters of the chain, a charge placed in a constant electric field may uniformly travel very large distances (several hundred thousand sites). The charge may move with a constant velocity if the field strength is low. With an increase in the field strength, the charge starts oscillating (Bloch oscillations). Good agreement has been shown between the theoretical and numerical field dependences of the charge constant velocity.
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ACKNOWLEDGMENTS
This work was supported by the Russian Foundation for Basic Research (grant no. 16-07-00305) and the Russian Science Foundation (grant no. 16-11-10163).
This work was fulfilled using the computational power of the Joint Supercomputer Center of the Russian Academy of Sciences
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Translated by V. Isaakyan
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Korshunova, A.N., Lakhno, V.D. Simulation of the Stationary and Nonstationary Charge Transfer Conditions in a Uniform Holstein Chain Placed in Constant Electric Field. Tech. Phys. 63, 1270–1276 (2018). https://doi.org/10.1134/S1063784218090086
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DOI: https://doi.org/10.1134/S1063784218090086