Quantum textures of the many-body wavefunctions in magic-angle graphene
Interactions among electrons create novel many-body quantum phases of matter with
wavefunctions that reflect electronic correlation effects, broken symmetries and collective …
wavefunctions that reflect electronic correlation effects, broken symmetries and collective …
Programming twist angle and strain profiles in 2D materials
Moiré superlattices in twisted two-dimensional materials have generated tremendous
excitement as a platform for achieving quantum properties on demand. However, the moiré …
excitement as a platform for achieving quantum properties on demand. However, the moiré …
Magic-angle helical trilayer graphene
We propose magic-angle helical trilayer graphene (HTG), a helical structure featuring
identical rotation angles between three consecutive layers of graphene, as a unique and …
identical rotation angles between three consecutive layers of graphene, as a unique and …
Chern mosaic and Berry-curvature magnetism in magic-angle graphene
Charge carriers in magic-angle graphene come in eight flavours described by a combination
of their spin, valley and sublattice polarizations. When inversion and time-reversal …
of their spin, valley and sublattice polarizations. When inversion and time-reversal …
Fractional Chern insulators versus nonmagnetic states in twisted bilayer
J Yu, J Herzog-Arbeitman, M Wang, O Vafek… - Physical Review B, 2024 - APS
Fractionally filled Chern bands with strong interactions may give rise to fractional Chern
insulator (FCI) states, the zero-field analog of the fractional quantum Hall effect. Recent …
insulator (FCI) states, the zero-field analog of the fractional quantum Hall effect. Recent …
Kondo lattice model in magic-angle twisted bilayer graphene
YZ Chou, S Das Sarma - Physical Review Letters, 2023 - APS
We systematically study emergent Kondo lattice models from magic-angle twisted bilayer
graphene using the topological heavy fermion representation. At the commensurate fillings …
graphene using the topological heavy fermion representation. At the commensurate fillings …
A microscopic perspective on moiré materials
KP Nuckolls, A Yazdani - Nature Reviews Materials, 2024 - nature.com
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 …
Anomalous Hall effect at half filling in twisted bilayer graphene
Magic-angle twisted bilayer graphene (tBLG) displays a variety of symmetry-broken phases,
correlated Chern insulators, orbital magnetism and superconductivity,,,,,,–. In particular, the …
correlated Chern insulators, orbital magnetism and superconductivity,,,,,,–. In particular, the …
[PDF][PDF] Mechanical, electronic, optical, piezoelectric and ferroic properties of strained graphene and other strained monolayers and multilayers: An update
This is an update of a previous review (Naumis et al 2017 Rep. Prog. Phys. 80 096501).
Experimental and theoretical advances for straining graphene and other metallic, insulating …
Experimental and theoretical advances for straining graphene and other metallic, insulating …
Heavy-fermion representation for twisted bilayer graphene systems
H Shi, X Dai - Physical Review B, 2022 - APS
We construct a heavy fermion representation for twisted bilayer graphene (TBG) systems.
Two local orbitals (per spin/valley) are analytically found, which are exactly the maximally …
Two local orbitals (per spin/valley) are analytically found, which are exactly the maximally …