Selective transmission of Dirac electrons and ballistic magnetoresistance of n-p junctions in graphene

Cheianov, Vadim V. and Falko, Vladimir (2006) Selective transmission of Dirac electrons and ballistic magnetoresistance of n-p junctions in graphene. Physical review b, 74 (4). -. ISSN 1098-0121

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Abstract

We show that an electrostatically created n-p junction separating the electron and hole gas regions in a graphene monolayer transmits only those quasiparticles that approach it almost perpendicularly to the n-p interface. Such a selective transmission of carriers by a single n-p junction would manifest itself in nonlocal magnetoresistance effect in arrays of such junctions and determines the unusual Fano factor in the current noise universal for the n-p junctions in graphene.

Item Type:	Article
Journal or Publication Title:	Physical review b
Subjects:	Q Science > QC Physics
Departments:	Faculty of Science and Technology > Physics
ID Code:	57020
Deposited By:	ep_importer_pure
Deposited On:	24 Aug 2012 16:07
Refereed?:	Yes
Published?:	Published
Last Modified:	24 Aug 2012 16:07
Identification Number:
URI:	http://eprints.lancs.ac.uk/id/eprint/57020

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