Fluctuation-Facilitated Charge Migration along DNA

Details Fluctuation-Facilitated Charge Migration along DNA Fluctuation-Facilitated Charge Migration along DNA

2000-05-12

arxiv.org/abs/cond-mat/0005200v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.85.4393

We propose a model Hamiltonian for charge transfer along the DNA double helix with temperature driven fluctuations in the base pair positions acting as the rate limiting factor for charge transfer between neighboring base pairs. We compare the predictions of the model with the recent work of J.K. Barton and A.H. Zewail (Proc.Natl.Acad.Sci.USA, {\bf 96}, 6014 (1999)) on the unusual two-stage charge transfer of DNA.

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