Bloch oscillations in the magnetoconductance of twisted bilayer graphene
Reviewed by Pithpith:6OH2TAPHopen to challenge →
classification
cond-mat.mes-hall
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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