Edge effects in graphene nanostructures: From multiple reflection expansion to density of states

URN to cite this document:: urn:nbn:de:bvb:355-epub-206761
DOI to cite this document:: 10.5283/epub.20676

Wurm, Jürgen ; Richter, Klaus ; Adagideli, İnanç

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Date of publication of this fulltext: 27 Apr 2011 07:15

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Abstract

We study the influence of different edge types on the electronic density of states of graphene nanostructures. To this end we develop an exact expansion for the single-particle Green's function of ballistic graphene structures in terms of multiple reflections from the system boundary, which allows for a natural treatment of edge effects. We first apply this formalism to calculate the average ...