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Quantum transport across normal-superlattice-normal graphene junctions: Fabry-Pérot interference, Hofstadter butterfly, and supersnake states
Che-Pin Hsu, Alina Mreńca-Kolasińska, Aitor Garcia-Ruiz +4
Electrostatic modulation of graphene provides a tunable route to engineering miniband structures. We perform quantum transport simulations on a gate-defined graphene superlattice j…
Scalable tight-binding model for strained graphene
Ming-Hao Liu, Christophe De Beule, Alina Mreńca-Kolasińska +4
We generalize the scalable tight-binding model for graphene, which allows for efficient quantum transport simulations in the Dirac regime, to account for elastic strain. We show th…
Anisotropic transport in ballistic bilayer graphene cavities
Florian Schoeppl, Alina Mrenca-Kolasinska, Ming-Hao Liu +3
Closing the gap between ray tracing simulations and experimentally observed electron jetting in bilayer graphene (BLG), we study all-electronic, gate-defined BLG cavities using tig…
Pseudomagnetic focusing of valley-polarized beams in strained graphene
Alina Mreńca-Kolasińska, Christophe De Beule, Jia-Tong Shi +4
In addition to spin, the low-energy charge carriers in graphene have two inequivalent valley flavors K and K' related by time-reversal symmetry, which can potentially serve as carr…