Geometrical perturbation of graphene electronic structure

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Abstract

We discuss low-energy electronic properties of distorted graphene sheets from a local geometric viewpoint, treating curvature and strain as perturbations of a smooth surface. This allows a unified description of the variety of deformations to which carbon nanotubes are susceptible. By using a general symmetry analysis in conjunction with a four-orbital, nonorthogonal tight-binding model, we calculate accurate values of the relevant couplings.

Original languageEnglish (US)
Pages (from-to)7308-7311
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume61
Issue number11
DOIs
StatePublished - Jan 1 2000

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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