Massless Dirac Fermions in Graphene under an External Periodic Magnetic Field
arXiv:1311.5683 · doi:10.1088/0953-8984/25/39/395302
Abstract
By solving two-component spinor equation for massless Dirac Fermions, we show that graphene under a periodic external magnetic field exhibits a unique energy spectrum: At low energies, Dirac Fermions are localized inside the magnetic region with discrete Landau energy levels, while at higher energies, Dirac Fermions are mainly found in non-magnetic regions with continuous energy bands originating from wavefunctions analogous to particle-in-box states of electrons. These findings offer a new methodology for the control and tuning of massless Dirac Fermions in graphene.
9 pages, 4 figures
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