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Titolo:
Scattering matrix approach to electronic dephasing in long-range electron transfer
Autore:
Li, XQ; Yan, Y;
Indirizzi:
Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China Hong Kong Univ Sci & Technol Kowloon Hong Kong Peoples R China s R China
Titolo Testata:
JOURNAL OF CHEMICAL PHYSICS
fascicolo: 9, volume: 115, anno: 2001,
pagine: 4169 - 4174
SICI:
0021-9606(20010901)115:9<4169:SMATED>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
BRIDGED MOLECULAR-SYSTEMS; LIOUVILLE-SPACE; DIELECTRIC FRICTION; SOLVATION DYNAMICS; CHARGE-TRANSFER; TRANSFER RATES; DNA; TRANSPORT; MECHANISM; COHERENT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
44
Recensione:
Indirizzi per estratti:
Indirizzo: Li, XQ Chinese Acad Sci, Inst Semicond, Natl Lab Superlattices & Microstruct, POB912, Beijing 100083, Peoples R China Chinese Acad Sci POB 912 Beijing Peoples R China 100083 es R China
Citazione:
X.Q. Li e Y. Yan, "Scattering matrix approach to electronic dephasing in long-range electron transfer", J CHEM PHYS, 115(9), 2001, pp. 4169-4174

Abstract

Based on the Buttiker dephasing model, we propose an analytical scatteringmatrix approach to the long-range electron transfer phenomena. The presentefficient scheme smoothly interpolates between the superexchange and the sequential hopping mechanisms. Various properties such as the drastic dephasing-assisted enhancement and turnover behaviors are demonstrated in good agreement with those obtained via the dynamical reduced density-matrix methods. These properties are further elucidated as results of the interplay among the dephasing strength, the tunneling parameter, and the bridge length ofthe electron transfer system. (C) 2001 American Institute of Physics.

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Documento generato il 09/07/20 alle ore 20:54:49