Bloch oscillations in the magnetoconductance of twisted bilayer graphene

C. W. J. Beenakker; D. O. Oriekhov; T. Vakhtel

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Bloch oscillations in the magnetoconductance of twisted bilayer graphene

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arxiv 2203.01858 v2 pith:6OH2TAPH submitted 2022-03-03 cond-mat.mes-hall

T. Vakhtel , D. O. Oriekhov , C. W. J. Beenakker This is my paper · ORCID

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keywords blochbilayeroscillationsfieldgraphenemagnetoconductancemappingtransport

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We identify a mapping between two-dimensional (2D) electron transport in a minimally twisted graphene bilayer and a 1D quantum walk, where one spatial dimension plays the role of time. In this mapping a magnetic field B perpendicular to the bilayer maps onto an electric field. Bloch oscillations due to the periodic motion in a 1D Bloch band can then be observed in purely DC transport as magnetoconductance oscillations with periodicity set by the Bloch frequency.

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