Abstract
We analyze the influence of the fluctuations of polarization on the soliton transfer in one-dimensional biexciton molecular chains. Important modifications appear on the model Hamiltonian with different exciton-phonon coupling constants. The parameters of the solitary excitations (length and energy) are calculated. We show that the fluctuations of dipoles will increase the soliton width and its rest energy. Finally, a brief study of the statistical properties (partition function and specific heat) is done.
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