Valley polarized electronic beam splitting in graphene

Details Valley polarized electronic beam splitting in graphene Valley polarized electronic beam splitting in graphene

2007-10-04

arxiv.org/abs/0710.1004v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures

Scientific paper

We show how the trigonal warping effect in doped graphene can be used to
produce fully valley polarized currents. We propose a device that acts both as
a beam splitter and a collimator of these electronic currents. The result is
demonstrated trough an optical analogy using two dimensional photonic crystals.

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