Abstract
Electronic transport in DNA molecules could depend on many factors, one of them is external electric field influence. In this research we analyse localization length of poly (dA)-(dT) DNA molecule to study its electronic transport properties. Tight binding Hamiltonian model is used along with electric field and temperature influence. Electric field is set to be parallel to the helix axis of DNA. Transfer-matrix method is required to calculate localization length, while gram-schmidt orthonormalization method is used to reduce errors. The results show that electric field changes localization length in all energy considered in calculation.
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