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Graphene armchair nanoribbon single-electron transistors: The peculiar influence of end states

URN to cite this document:
urn:nbn:de:bvb:355-epub-110469
Koller, Sonja ; Mayrhofer, Leonhard ; Grifoni, Milena
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Date of publication of this fulltext: 25 Nov 2009 13:11



Abstract

Abstract – We present a microscopic theory for interacting graphene armchair nanoribbon quantum dots. Long-range interaction processes are responsible for Coulomb blockade and spin-charge separation. Short-range ones, arising from the underlying honeycomb lattice of graphene smear the spin-charge separation and induce exchange correlations between bulk electrons —delocalized on the ribbon— and ...

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