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Moiré physics in graphene: robust edge states, ordered current loops, and emergent one dimensional Fermi lines
Institute of Nanotechnology
Bldg. 640 Meeting Room 0-341
Hermann-von-Helmholtz-Platz 1
76344 Eggenstein-Leopoldshafen
Talk given by
Maximilian Fleischmann
Theoretische Festkörperphysik
Universität Erlangen-Nürnberg
Erlangen, Germany
Abstract:
The graphene twist bilayer represents one of the richest systems for studying the interrelation between bonding and structure, with qualitatively different physics emerging as a function of twist angle. Equally rich physics is to be expected when this system is perturbed by an external field or structural deformation and we present three cases of this: (i) robust edge states induced by the moir\é potential (ii) ordered current loops in the pre-Hofstadter regime of B field (of the order of 1 Tesla) and finally (iii) emergent 1d Fermi "surfaces" in the small angle limit.
https://www.int.kit.edu/events.php
Dr. Velimir Meded
Institut für Nanotechnologie
KIT
Karlsruhe
Mail: velimir meded ∂ kit edu
Interested / Everyone