Conductance of DNA molecules: Effects of decoherence and bonding

Details Conductance of DNA molecules: Effects of decoherence and bonding Conductance of DNA molecules: Effects of decoherence and bonding

2010-07-10

arxiv.org/abs/1007.1721v1

Physical Review B 82, 125125 (2010)

Physics

Condensed Matter

Soft Condensed Matter

8 pages, 11 figures, submitted to Physical Review E

Scientific paper

10.1103/PhysRevB.82.125125

The influence of decoherence and bonding on the linear conductance of single double-stranded DNA molecules is examined by fitting a phenomenological statistical model developed recently (EPJB {\bf 68}, 237 (2009)) to experimental results. The DNA molecule itself is described by a tight binding ladder model with parameters obtained from published ab initio calculations (J.Am.Chem.Soc. {\bf 127}, 14894 (2005)). The good agreement with the experiments on sequence and length dependence gives a hint on the nature of conduction in DNA and at the same time provides a crucial test of the model.

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