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Coherent transmission in multiterminal molecular conductors
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
2011 (English)In: Physica status solidi. B, Basic research, ISSN 0370-1972, E-ISSN 1521-3951, Vol. 248, no 11, 2676-2679 p.Article in journal (Refereed) Published
Abstract [en]

We consider coherent transport in an arbitrary molecular complex functioning as N-terminal conductor. The matrices that enter Dattas trace formula for the transmission function T(E) are represented in terms of free-molecule Greens function matrix elements referring exclusively to molecular atoms perturbed by the lead-molecule interaction. Explicit expressions of transmission function are obtained for a commonly used model of multiterminal molecular devices, where the molecule is coupled with each lead via a single bond. In the particular cases of connection of molecular wires via a single atom and a benzene ring, this gives the analytical expressions of T(E). Physical implications of the derived formulas are briefly discussed.

Place, publisher, year, edition, pages
Wiley-VCH Verlag Berlin , 2011. Vol. 248, no 11, 2676-2679 p.
Keyword [en]
coherent transmission; multiterminal devices; molecular wire junctions; Greens function partitioning; quantum resistance
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-73339DOI: 10.1002/pssb.201100127ISI: 000297517100058OAI: oai:DiVA.org:liu-73339DiVA: diva2:471851
Available from: 2012-01-03 Created: 2012-01-02 Last updated: 2017-12-08

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Malysheva, LiubovOnipko, Alexander

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