Topological and stacked flat bands in bilayer graphene with a superlattice potential

SAA Ghorashi, A Dunbrack, A Abouelkomsan, J Sun… - Physical Review Letters, 2023 - APS
We show that bilayer graphene in the presence of a 2D superlattice potential provides a
highly tunable setup that can realize a variety of flat band phenomena. We focus on two …

Chiral Kondo lattice in doped MoTe2/WSe2 bilayers

D Guerci, J Wang, J Zang, J Cano, JH Pixley… - Science …, 2023 - science.org
We theoretically study the interplay between magnetism and a heavy Fermi liquid in the AB-
stacked transition metal dichalcogenide bilayer system, MoTe2/WSe2, in the regime in …

Multilayer graphene with a superlattice potential

SAA Ghorashi, J Cano - Physical Review B, 2023 - APS
Bernal stacked bilayer graphene subject to a superlattice potential can realize topological
and stacked flat bands [Ghorashi, Phys. Rev. Lett. 130, 196201 (2023) …

Orbital Fulde-Ferrell pairing state in moiré Ising superconductors

YM Xie, KT Law - Physical Review Letters, 2023 - APS
In this Letter, we study superconducting moiré homobilayer transition metal dichalcogenides
where the Ising spin-orbit coupling (SOC) is much larger than the moiré bandwidth. We call …

Intrinsically multilayer moiré heterostructures

A Dunbrack, J Cano - Physical Review B, 2023 - APS
We introduce trilayer and multilayer moiré heterostructures that cannot be viewed from the
“moiré-of-moiré” perspective of helically twisted trilayer graphene. These “intrinsically …

Kagome chiral spin liquid in transition metal dichalcogenide moiré bilayers

J Motruk, D Rossi, DA Abanin, L Rademaker - Physical Review Research, 2023 - APS
At n= 3/4 filling of the moiré flat band, transition metal dichalcogenide (TMD) moiré bilayers
will develop kagome charge order. We derive an effective spin model for the resulting …

Magnetism and metallicity in moiré transition metal dichalcogenides

P Tscheppe, J Zang, M Klett… - Proceedings of the …, 2024 - National Acad Sciences
The ability to control the properties of twisted bilayer transition metal dichalcogenides in situ
makes them an ideal platform for investigating the interplay of strong correlations and …

Switching between Mott-Hubbard and Hund physics in Moiré quantum simulators

S Ryee, TO Wehling - Nano Letters, 2023 - ACS Publications
Mott-Hubbard and Hund electron correlations have been realized thus far in separate
classes of materials. Here, we show that a single moiré homobilayer encompasses both …

Singlet, triplet, and pair density wave superconductivity in the doped triangular-lattice moiré system

F Chen, DN Sheng - Physical Review B, 2023 - APS
Recent experimental progress has established the twisted bilayer transition metal
dichalcogenide (TMD) as a highly tunable platform for studying many-body physics …

Site-selective insulating phase in a twisted bilayer Hubbard model

XC Jiang, Z Ruan, YZ Zhang - Physical Review B, 2024 - APS
The paramagnetic phase diagrams of the half-filled Hubbard model on a twisted bilayer
square lattice are investigated using the coherent potential approximation. In addition to the …