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61. 


Modeling molecular conduction in DNA wires: Charge transfer theories and dissipative quantum transport



R. Bulla, R. Gutiérrez, and G. Cuniberti

In Modern methods for theoretical physical chemistry of biopolymers, Elsevier (2006).

[In ``Modern methods for theoretical physical chemistry of biopolymers''. Edited by E. Starikow, J. Lewis, and S. Tanaka. Elsevier (2006). ISBN: 0-444-52220-4.]
ISBN: 0444522204

Measurements of electron transfer rates as well as of charge transport characteristics in DNA produced a number of seemingly contradictory results, ranging from insulating behaviour to the suggestion that DNA is an efficient medium for charge transport. Among other factors, environmental effects appear to play a crucial role in determining the effectivity of charge propagation along the double helix. This chapter gives an overview over charge transfer theories and their implication for addressing the interaction of a molecular conductor with a dissipative environment. Further, we focus on possible applications of these approaches for charge transport through DNA-based molecular wires.



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