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DEPENDENCE OF THE DAVYDOV'S SOLITON BEHAVIOR IN THE LINEAR POLYMER CHAIN ON THE EXCITON–PHONON COUPLING

DRAGAN TODOROVIĆ

Faculty of Science, University of Kragujevac, Kragujevac 31000, Radoja Domanovića 12, Serbia

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MILAN PANTIĆ

Faculty of Sciences, Department of Physics, University of Novi Sad, Novi Sad 21000, Trg Dositeja Obradovića 4, Serbia

Corresponding author.

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MARIO ŠKRINJAR

Faculty of Sciences, Department of Physics, University of Novi Sad, Novi Sad 21000, Trg Dositeja Obradovića 4, Serbia

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DARKO KAPOR

Faculty of Sciences, Department of Physics, University of Novi Sad, Novi Sad 21000, Trg Dositeja Obradovića 4, Serbia

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, and

STANOJE STOJANOVIĆ

Faculty of Sciences, Department of Physics, University of Novi Sad, Novi Sad 21000, Trg Dositeja Obradovića 4, Serbia

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https://doi.org/10.1142/S0217979209054144Cited by:1 (Source: Crossref)

Abstract

The Davydov's soliton propagation in the linear polymer chain is analyzed numerically by solving the discrete equations of motion for exciton and phonon amplitudes. The main difference with respect to the results of continual approximation is that two exciton–phonon coupling constants influence separately the soliton behavior. Their influence is studied both in the ideal chain and the chain with single impurity.

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