The problem of DNA conductivity

The lecture gives a review of experiments on a charge transfer in DNA and presents a discussion of various theoretical approaches to the interpretation of the transfer phenomenon. It is shown that an adequate mathematical description of the nonlinear dynamics of this transfer can be based on Holstein Hamiltonian. The main results obtained for this charge transfer with the help of Holstein Hamiltonian are presented. Special attention is given to conducting properties of homogeneous nucleotide chains. It is demonstrated that regular and homogeneous chains are promising candidates for the role of molecular wires in nanoelectronic devices.

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