Analysis of bridge-mediated pathways for long-range charge transfer systems

Article Abstract:

An accurate quantitative analysis on bridge-mediated pathways in long-range charge transfer process is described with the density matrix decomposition scheme of the path integral method. In the presence of the coherence, the long-range charge transfer dynamics are dominated by the through-bridge mechanism that consists of the coherent through-bridge pathways as well as the incoherent nearest-neighbor hopping pathways.

South Korea

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Environmental effect on the relative contribution of the charge-transfer mechanism within a short DNA sequence

Article Abstract:

Time evolution of the charge-transfer site population is studied in a short DNA sequence to determine the type of governing charge-transfer mechanism. Partial density matrixes of the incoherent hopping and coherent superexchange pathways as well as full reduced density matrix are evaluated and discussed for both debye and ohmic baths.

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Distance dependent coherence variation in DNA charge-transfer processes

Article Abstract:

The distance dependent variation of the coherence length relevant to DNA charge-transfer processes within 5'-G[A.sub.n][G.sub.3]-3' DNA sequences is examined. The coherence within a collective state has governed the overall charge transfer, which is composed of a part of a sequence within the coherence length from the donor.

Biological Product (except Diagnostic) Manufacturing, Drugs, Guanine, Structure

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