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Green function of conjugated oligomers: the exact analytical solution with an application to the molecular conductance
Linkoping Univ, IFM, Dept Phys, S-58183 Linkoping, Sweden Space Res Inst, UA-252022 Kiev, Ukraine Bogolyubov Inst Theoret Phys, UA-252143 Kiev, Ukraine.
Linkoping Univ, IFM, Dept Phys, S-58183 Linkoping, Sweden Space Res Inst, UA-252022 Kiev, Ukraine Bogolyubov Inst Theoret Phys, UA-252143 Kiev, Ukraine.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology.
1999 (English)In: Materials science & engineering. C, biomimetic materials, sensors and systems, ISSN 0928-4931, Vol. 8-9, 273-281 p.Article in journal (Refereed) Published
Abstract [en]

The exact analytical expression of the Green function of oligomers M-M-...-M and M-1-M-2-M-1-...-M-2-M-1, where M M-1, and M-2 are monomers of arbitrary pi electronic structure described by the tight-binding Hamiltonian, is derived for the first time. This result makes possible to address relevant spectral and electron transport properties of large linear molecules on the basis of realistic exactly solvable models. The power of the approach is exemplified by obtaining a number of explicit relations between the transport related quantities, in particular, through molecule tunneling decay constant, and the molecular electronic structure for a wide family of potential molecular wires. (C) 1999 Elsevier Science S.A. All rights reserved.

Place, publisher, year, edition, pages
1999. Vol. 8-9, 273-281 p.
Keyword [en]
Green function, conjugated oligomers, molecular conductance
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-49916OAI: oai:DiVA.org:liu-49916DiVA: diva2:270812
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-14

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Malysheva, Liubov

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