Magnetic interface states in graphene-based quantum wires

Details Magnetic interface states in graphene-based quantum wires Magnetic interface states in graphene-based quantum wires

2006-10-09

arxiv.org/abs/cond-mat/0610237v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

submitted to Phys. Rev. B

Scientific paper

The electronic states of a finite-width graphene sheet in the presence of an electrostatic confining potential and a perpendicular magnetic field are investigated. The confining potential shifts the Landau levels inside the well and creates current-carrying states at or close to the interface with the barriers in addition to the edge states caused by the finite width of the sheet. Detailed energy spectra are given as a function of the quantum wire parameters. The dependence of the density of states on the confinement potential is evaluated for finite and zero magnetic field.

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