Coherent Destruction of Coulomb Blockade Peaks in Molecular Junctions
J.P. Bergfield, Ph. Jacquod, C.A. Stafford
TL;DR
This paper investigates how coherent electronic transport affects Coulomb blockade peaks in single-molecule junctions, revealing suppression effects related to contact symmetry and orbital coupling.
Contribution
It introduces a theoretical analysis of Coulomb blockade suppression in molecular junctions with specific contact symmetries and orbital couplings.
Findings
Suppression of Coulomb blockade peaks in certain junction configurations
Transmission phase and probability are affected by contact symmetry
Charging steps remain unaffected despite peak suppression
Abstract
Coherent electronic transport in single-molecule junctions is investigated in the Coulomb blockade regime. Both the transmission phase and probability are calculated for junctions with various contact symmetries. A dramatic suppression of the Coulomb blockade peaks is predicted for junctions where multiple atomic orbitals of the molecule couple to a single electrode although the charging steps are unaffected.
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