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VOLUME 75 | ISSUE 1 | PAGE 39
Base pair dynamic assisted charge transport in DNA
E. I. Kats+*, V. V. Lebedev^{+\square}
+L. D. Landau Institute for Theoretical Physics RAS, 117940 Moscow, Russia
*Institut Laue-Langevin, BP 156 Grenoble, France
^\squareDepartment of Physics, Weizmann Institute of Science, 76100 Rehovot, Israel


PACS: 87.14.Gg, 87.15.-v
Abstract
An 1d model with time-dependent random hopping is proposed to describe charge transport in DNA. It admits to investigate both diffusion of electrons and their tunneling between different sites in DNA. The tunneling appears to be strongly temperature-dependent. Observations of a strong (exponential) as well as a weak distance dependence of the charge transfer in DNA can be explained in the framework of our model.


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