0 Ju n 20 07 Quantized Transport in Graphene p-n Junctions in Magnetic Field

Abstract

Recent experimental work on locally gated graphene layers resulting in p-n junctions have revealed quantum Hall effect in their transport behavior. We explain the observed conductance quantization which is fractional in the bipolar regime and integer in the unipolar regime in terms of quantum Hall edge modes propagating along and across the p-n interface… (More)

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