976 citations
- Centre National de la Recherche ScientifiqueFR49 papers
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4 papers · 2 filters
Optical Hall conductivity in bulk and nanostructured graphene beyond the Dirac approximation
Jesper Goor Pedersen, Mikkel H. Brynildsen, Horia D. Cornean +1
We present a perturbative method for calculating the optical Hall conductivity in a tight-binding framework based on the Kubo formalism. The method involves diagonalization only of…
Transport in graphene antidot barriers and tunneling devices
Thomas Garm Pedersen, Jesper Goor Pedersen
Periodic arrays of antidots, i.e. nanoscale perforations, in graphene enable tight confinement of carriers and efficient transport barriers. Such barriers evade the Klein tunneling…
Graphene antidot lattice waveguides
Jesper Goor Pedersen, Tue Gunst, Troels Markussen +1
We introduce graphene antidot lattice waveguides: nanostructured graphene where a region of pristine graphene is sandwiched between regions of graphene antidot lattices. The band g…
Band gaps in graphene via periodic electrostatic gating
Jesper Goor Pedersen, Thomas Garm Pedersen
Much attention has been focused on ways of rendering graphene semiconducting. We study periodically gated graphene in a tight-binding model and find that, contrary to predictions b…