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Interfering pathways in benzene: an analytical treatment.

Authors
  • Hansen, Thorsten
  • Solomon, Gemma C
  • Andrews, David Q
  • Ratner, Mark A
Type
Published Article
Journal
The Journal of Chemical Physics
Publisher
American Institute of Physics
Publication Date
Nov 21, 2009
Volume
131
Issue
19
Pages
194704–194704
Identifiers
DOI: 10.1063/1.3259548
PMID: 19929068
Source
Medline
License
Unknown

Abstract

The mechanism for off-resonant electron transport through small organic molecules in metallic junctions is predominantly coherent tunneling. Thus, new device functionalities based on quantum interference could be developed in the field of molecular electronics. We invoke a partitioning technique to give an analytical treatment of quantum interference in a benzene ring. We interpret the antiresonances in the transmission as either multipath zeroes resulting from interfering spatial pathways or resonance zeroes analogous to zeroes induced by sidechains.

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