Interacting topological insulators: a review

S Rachel - Reports on Progress in Physics, 2018 - iopscience.iop.org
The discovery of the quantum spin Hall effect and topological insulators more than a decade
ago has revolutionized modern condensed matter physics. Today, the field of topological …

Topological flat band models and fractional Chern insulators

EJ Bergholtz, Z Liu - International Journal of Modern Physics B, 2013 - World Scientific
Topological insulators and their intriguing edge states can be understood in a single-particle
picture and can as such be exhaustively classified. Interactions significantly complicate this …

Composite Fermi Liquid at Zero Magnetic Field in Twisted

J Dong, J Wang, PJ Ledwith, A Vishwanath… - Physical Review Letters, 2023 - APS
The pursuit of exotic phases of matter outside of the extreme conditions of a quantizing
magnetic field is a long-standing quest of solid state physics. Recent experiments have …

Exact landau level description of geometry and interaction in a flatband

J Wang, J Cano, AJ Millis, Z Liu, B Yang - Physical review letters, 2021 - APS
Flatbands appear in many condensed matter systems, including the two-dimensional
electron gas in a high magnetic field, correlated materials, and moiré heterostructures. They …

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 …

Chern bands of twisted bilayer graphene: Fractional Chern insulators and spin phase transition

C Repellin, T Senthil - Physical Review Research, 2020 - APS
When one of the graphene layers of magic-angle twisted bilayer graphene is nearly aligned
with its hexagonal boron nitride substrate (a configuration dubbed TBG/hBN), the active …

Particle-hole duality, emergent fermi liquids, and fractional chern insulators in moiré flatbands

A Abouelkomsan, Z Liu, EJ Bergholtz - Physical review letters, 2020 - APS
Moiré flatbands, occurring, eg, in twisted bilayer graphene at magic angles, have attracted
ample interest due to their high degree of experimental tunability and the intriguing …

Fractional quantum Hall physics in topological flat bands

SA Parameswaran, R Roy, SL Sondhi - Comptes Rendus Physique, 2013 - Elsevier
We present a pedagogical review of the physics of fractional Chern insulators with a
particular focus on the connection to the fractional quantum Hall effect. While the latter …

Origin of model fractional Chern insulators in all topological ideal flatbands: Explicit color-entangled wave function and exact density algebra

J Wang, S Klevtsov, Z Liu - Physical Review Research, 2023 - APS
It is commonly believed that nonuniform Berry curvature destroys the Girvin-MacDonald-
Platzman algebra and as a consequence destabilizes fractional Chern insulators. In this …

Non-Abelian fractional quantum anomalous Hall states and first Landau level physics of the second moiré band of twisted bilayer

CE Ahn, W Lee, K Yananose, Y Kim, GY Cho - Physical Review B, 2024 - APS
Utilizing the realistic continuum description of twisted bilayer MoTe 2 and many-body exact
diagonalization calculation, we establish that the second moiré band of twisted bilayer MoTe …