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Critical role of device geometry for the phase diagram of twisted bilayer graphene
Zachary A. H. Goodwin, Valerio Vitale, Fabiano Corsetti +3
The effective interaction between electrons in two-dimensional materials can be modified by their environment, enabling control of electronic correlations and phases. Here, we stud…
Attractive electron-electron interactions from internal screening in magic angle twisted bilayer graphene
Zachary A. H. Goodwin, Fabiano Corsetti, Arash A. Mostofi +1
Twisted bilayer graphene (tBLG) has recently emerged as a new platform for studying electron correlations, the strength of which can be controlled via the twist angle. Here, we stu…
Twist-angle dependence of electron correlations in moiré graphene bilayers
Zachary A. H. Goodwin, Fabiano Corsetti, Arash A. Mostofi +1
Motivated by the recent observation of correlated insulator states and unconventional superconductivity in twisted bilayer graphene, we study the dependence of electron correlation…