Magnetic confinement of massless Dirac fermions in graphene

Details Magnetic confinement of massless Dirac fermions in graphene Magnetic confinement of massless Dirac fermions in graphene

2006-10-11

arxiv.org/abs/cond-mat/0610290v2

Phys. Rev. Lett. 98, 066802 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures, version to appear in PRL

Scientific paper

10.1103/PhysRevLett.98.066802

Due to Klein tunneling, electrostatic potentials are unable to confine Dirac
electrons. We show that it is possible to confine massless Dirac fermions in a
monolayer graphene sheet by inhomogeneous magnetic fields. This allows one to
design mesoscopic structures in graphene by magnetic barriers, e.g. quantum
dots or quantum point contacts.

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