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Title: Absence of conductance in a double-chain tight-binding model for DNA with random sequence of nucleotides
Authors: Xiong, Gang
Wang, Xiang-Rong
Keywords: DNA
Molecular biophysics
Physiological models
Tight-binding calculation
Issue Date: Aug-2005
Citation: Physics letters A, v. 334, iss. 1, August 2005, p. 64-70
Abstract: The zero-temperature conductance spectrum of a double-chain tight-binding model for real DNAs is calculated and compared with that of a periodic one-chain model. It is shown that their conductance spectrum of this model are similar only for finite chain length under the condition when the inter-chain coupling of the two-chain model is strong enough. Thus the double-chain tight-binding model for real DNAs does not have conductance in thermodynamic limit.
Rights: Physics Letters A © 2005 Elsevier. The Journal's web site is located at
Appears in Collections:PHYS Journal/Magazine Articles

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