Electronic Structure of Disclinated Graphene in an Uniform Magnetic Field

Details Electronic Structure of Disclinated Graphene in an Uniform Magnetic Field Electronic Structure of Disclinated Graphene in an Uniform Magnetic Field

2011-05-25

arxiv.org/abs/1105.5058v1

Eur.Phys.J.B 84, 255-264 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

keywords: graphene, heptagonal defect, elasticity, carbon nanohorns, 13 pages

Scientific paper

10.1140/epjb/e2011-20384-6

The electronic structure in the vicinity of the 1-heptagonal and 1-pentagonal defects in the carbon graphene plane is investigated. Using a continuum gauge field-theory model the local density of states around the Fermi energy is calculated for both cases. In this model, the disclination is represented by an SO(2) gauge vortex and corresponding metric follows from the elasticity properties of the graphene membrane. To enhance the interval of energies, a self-consistent perturbation scheme is used. The Landau states are investigated and compared with the predicted values.

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