Conductance quantization and snake states in graphene magnetic waveguides
Ghosh, T. K., De Martino, A., Häusler, W. , Dell'Anna, L. & Egger, R. (2008). Conductance quantization and snake states in graphene magnetic waveguides. Physical Review B (PRB), 77(8), doi: 10.1103/PhysRevB.77.081404
Abstract
We consider electron waveguides (quantum wires) in graphene created by suitable inhomogeneous magnetic fields. The properties of uni-directional snake states are discussed. For a certain magnetic field profile, two spatially separated counter-propagating snake states are formed, leading to conductance quantization insensitive to backscattering by impurities or irregularities of the magnetic field.
| Publication Type: | Article |
|---|---|
| Additional Information: | 5 pages, 4 figures, final version accepted as Rapid Comm. in PRB |
| Subjects: | Q Science > QC Physics |
| Departments: | School of Science & Technology > Mathematics |
| Related URLs: |
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Official URL: http://dx.doi.org/10.1103/PhysRevB.77.081404
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