7 papers
Flat bands, electron interactions and magnetic order in magic-angle mono-trilayer graphene
Zachary A. H. Goodwin, Lennart Klebl, Valerio Vitale +6
Starting with twisted bilayer graphene, graphene-based moiré materials have recently been established as a new platform for studying strong electron correlations. In this paper, we…
Importance of long-ranged electron-electron interactions for the magnetic phase diagram of twisted bilayer graphene
Lennart Klebl, Zachary A. H. Goodwin, Arash A. Mostofi +2
Electron-electron interactions are intrinsically long ranged, but many models of strongly interacting electrons only take short-ranged interactions into account. Here, we present r…
Effect of bilayer stacking on the atomic and electronic structure of twisted double bilayer graphene
Xia Liang, Zachary A. H. Goodwin, Valerio Vitale +3
Twisted double bilayer graphene has recently emerged as an interesting moiré material that exhibits strong correlation phenomena that are tunable by an applied electric field. Here…
Hartree theory calculations of quasiparticle properties in twisted bilayer graphene
Zachary A. H. Goodwin, Valerio Vitale, Xia Liang +2
A detailed understanding of interacting electrons in twisted bilayer graphene (tBLG) near the magic angle is required to gain insights into the physical origin of the observed brok…
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…