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

Research output: Contribution to journalJournal article


Article number041403
<mark>Journal publication date</mark>17/07/2006
<mark>Journal</mark>Physical Review B
Issue number4
Number of pages4
<mark>Original language</mark>English


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.

Bibliographic note

© 2006 The American Physical Society