Classification of topological quantum matter with symmetries

CK Chiu, JCY Teo, AP Schnyder, S Ryu - Reviews of Modern Physics, 2016 - APS
Topological materials have become the focus of intense research in recent years, since they
exhibit fundamentally new physical phenomena with potential applications for novel devices …

Colloquium: Atomic quantum gases in periodically driven optical lattices

A Eckardt - Reviews of Modern Physics, 2017 - APS
Time-periodic forcing in the form of coherent radiation is a standard tool for the coherent
manipulation of small quantum systems like single atoms. In the last years, periodic driving …

Signatures of fractional quantum anomalous Hall states in twisted MoTe2

J Cai, E Anderson, C Wang, X Zhang, X Liu… - Nature, 2023 - nature.com
The interplay between spontaneous symmetry breaking and topology can result in exotic
quantum states of matter. A celebrated example is the quantum anomalous Hall (QAH) state …

Fractional Chern insulators in magic-angle twisted bilayer graphene

Y **e, AT Pierce, JM Park, DE Parker, E Khalaf… - Nature, 2021 - nature.com
Abstract Fractional Chern insulators (FCIs) are lattice analogues of fractional quantum Hall
states that may provide a new avenue towards manipulating non-Abelian excitations. Early …

Fractional Chern Insulator in Twisted Bilayer

C Wang, XW Zhang, X Liu, Y He, X Xu, Y Ran, T Cao… - Physical Review Letters, 2024 - APS
A recent experiment has reported the first observation of a zero-field fractional Chern
insulator (FCI) phase in twisted bilayer MoTe 2 moiré superlattices [J. Cai, Signatures of …

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 …

Tunable correlated Chern insulator and ferromagnetism in a moiré superlattice

G Chen, AL Sharpe, EJ Fox, YH Zhang, S Wang… - Nature, 2020 - nature.com
Studies of two-dimensional electron systems in a strong magnetic field revealed the
quantum Hall effect, a topological state of matter featuring a finite Chern number C and …

Anomalous Hall crystals in rhombohedral multilayer graphene. I. Interaction-driven Chern bands and fractional quantum Hall states at zero magnetic field

J Dong, T Wang, T Wang, T Soejima, MP Zaletel… - Physical Review Letters, 2024 - APS
Recent experiments on rhombohedral pentalayer graphene with a substrate-induced moiré
potential have identified both Chern insulators and fractional quantum Hall states at zero …

Nearly flat Chern bands in moiré superlattices

YH Zhang, D Mao, Y Cao, P Jarillo-Herrero, T Senthil - Physical Review B, 2019 - APS
Topology and electron interactions are two central themes in modern condensed matter
physics. Here, we propose graphene-based systems where both the band topology and …

Artificial flat band systems: from lattice models to experiments

D Leykam, A Andreanov, S Flach - Advances in Physics: X, 2018 - Taylor & Francis
Certain lattice wave systems in translationally invariant settings have one or more spectral
bands that are strictly flat or independent of momentum in the tight binding approximation …