Anomalous Hall crystals in rhombohedral multilayer graphene. I. Interaction-driven Chern bands and fractional quantum Hall states at zero magnetic field
Recent experiments on rhombohedral pentalayer graphene with a substrate-induced moiré
potential have identified both Chern insulators and fractional quantum Hall states at zero …
potential have identified both Chern insulators and fractional quantum Hall states at zero …
Robust flat bands in twisted trilayer graphene moiré quasicrystals
Moiré structures formed by twisting three layers of graphene with two independent twist
angles present an ideal platform for studying correlated quantum phenomena, as an infinite …
angles present an ideal platform for studying correlated quantum phenomena, as an infinite …
A microscopic perspective on moiré materials
Contemporary quantum materials research is guided by themes of topology and electronic
correlations. A confluence of these two themes is engineered in moiré materials, an …
correlations. A confluence of these two themes is engineered in moiré materials, an …
Multi-moiré trilayer graphene: lattice relaxation, electronic structure, and magic angles
We systematically explore the structural and electronic properties of twisted trilayer
graphene systems. In general, these systems are characterized by two twist angles θ 12 and …
graphene systems. In general, these systems are characterized by two twist angles θ 12 and …
Helical trilayer graphene in magnetic field: Chern mosaic and higher Chern number ideal flat bands
Helical trilayer graphene (hTG) exhibits a supermoiré pattern with large domains centered
around stacking points ABA and BAB, where two well-separated low-energy bands appear …
around stacking points ABA and BAB, where two well-separated low-energy bands appear …
Polarization textures in crystal supercells with topological bands
Two-dimensional materials are a highly tunable platform for studying the momentum space
topology of the electronic wavefunctions and real space topology in terms of skyrmions …
topology of the electronic wavefunctions and real space topology in terms of skyrmions …
Tunable inter-moiré physics in consecutively twisted trilayer graphene
We fabricated a twisted trilayer graphene device with consecutive twist angles of 1.33° and
1.64°, in which we electrostatically tuned the electronic states from each of the two …
1.64°, in which we electrostatically tuned the electronic states from each of the two …
Robust flat bands in twisted trilayer graphene quasicrystals
Moir\'e structures formed by twisting three layers of graphene with two independent twist
angles present an ideal platform for studying correlated quantum phenomena, as an infinite …
angles present an ideal platform for studying correlated quantum phenomena, as an infinite …
Topological confinement states in ABA trilayer graphene with antiparallel electric field
J An, S You, Z Li, Z Qiao - Physical Review B, 2024 - APS
In AB-stacked bilayer graphene, the introduction of an out-of-plane electric field can break
the inversion symmetry to open up a nontrivial bulk gap hosting the quantum valley Hall …
the inversion symmetry to open up a nontrivial bulk gap hosting the quantum valley Hall …
Optical response of alternating twisted trilayer graphene
We study the optical response of the alternating twisted trilayer graphene by making use of a
unitary transformation for the trilayer Hamiltonian and the Kubo formulation of linear …
unitary transformation for the trilayer Hamiltonian and the Kubo formulation of linear …