Plethora of many body ground states in magic angle twisted bilayer graphene

The discovery of magic angle twisted bilayer graphene (MATBG), in which two sheets of monolayer graphene are precisely stacked at a specific angle, has opened up a plethora of grand new opportunities in the field of topology, superconductivity, strange metal, and other strongly correlated effects. T...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2023-06, Vol.49 (6), p.631-639
Main Authors: Yang, S. Y., Díez-Carlón, A., Díez-Mérida, J., Jaoui, A., Das, I., Battista, G. Di, Luque-Merino, R., Mech, R., Efetov, Dmitri K.
Format: Article
Language:English
Subjects:
Bilayers
Graphene
Phase diagrams
Quantum transport
Superconductivity
Topology
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Summary:The discovery of magic angle twisted bilayer graphene (MATBG), in which two sheets of monolayer graphene are precisely stacked at a specific angle, has opened up a plethora of grand new opportunities in the field of topology, superconductivity, strange metal, and other strongly correlated effects. This review will focus on the various forms of quantum phases in MATBG revealed through quantum transport measurements. The goal is to highlight the uniqueness and current understanding of the various phases, especially how electronic interaction plays a role in them, as well as open questions in regard to the phase diagram.
ISSN:1063-777X
1090-6517
DOI:10.1063/10.0019420