Conductance of a single-atom carbon chain with graphene leads

Physical Review B - Condensed Matter and Materials Physics

Volumn 80, Issue 8, 2009, Pages

  Chen, Wei ^a   Andreev, A V ^a   Bertsch, G F ^a  

^a UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 70349453622     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.80.085410     Document Type: Article

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25. It might seem that the presence of edge states might give rise to an energy-independent contribution to the tunneling DoS at the point. This is not so however. The wave functions of edge states at low energies extend into the bulk to distances inversely proportional to the electron energy. As a result their contribution to the local DoS at the contact is also linear in ∈. It is analyzed in detail in Sec. 1.