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Conduction of DNA molecules: A charge-ladder model

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Yi, Juyeon
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Date of publication of this fulltext: 05 Aug 2009 13:31


A charge-ladder model is proposed for the conduction of DNA molecules. The charge density distributed over the atoms and bonds in a base is integrated into a single charged grain, and thereby the double strand is modeled as a two-leg charge ladder. We consider the strong intrastrand/interstrand repulsions to render the origin of the gapful and the gapless conductance observed in the recent experiments.

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