Observation of fractionally quantized anomalous Hall effect
The integer quantum anomalous Hall (QAH) effect is a lattice analogue of the quantum Hall
effect at zero magnetic field,–. This phenomenon occurs in systems with topologically non …
effect at zero magnetic field,–. This phenomenon occurs in systems with topologically non …
Quantum geometry in condensed matter
One of the most celebrated accomplishments of modern physics is the description of
fundamental principles of nature in the language of geometry. As the motion of celestial …
fundamental principles of nature in the language of geometry. As the motion of celestial …
Fractional quantum anomalous Hall effect in multilayer graphene
The fractional quantum anomalous Hall effect (FQAHE), the analogue of the fractional
quantum Hall effect at zero magnetic field, is predicted to exist in topological flat bands …
quantum Hall effect at zero magnetic field, is predicted to exist in topological flat bands …
Composite Fermi Liquid at Zero Magnetic Field in Twisted
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 …
magnetic field is a long-standing quest of solid state physics. Recent experiments have …
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 …
Tunable moiré materials for probing Berry physics and topology
Berry curvature physics and quantum geometric effects have been instrumental in
advancing topological condensed matter physics in recent decades. Although Landau level …
advancing topological condensed matter physics in recent decades. Although Landau level …
Quantum anomalous Hall crystal at fractional filling of moiré superlattices
We predict the emergence of a state of matter with intertwined ferromagnetism, charge order,
and topology in fractionally filled moiré superlattice bands. Remarkably, these quantum …
and topology in fractionally filled moiré superlattice bands. Remarkably, these quantum …
Local probe of bulk and edge states in a fractional Chern insulator
The fractional quantum Hall effect is a key example of topological quantum many-body
phenomena, arising from the interplay between strong electron correlation, topological order …
phenomena, arising from the interplay between strong electron correlation, topological order …
Moiré fractional Chern insulators. I. First-principles calculations and continuum models of twisted bilayer
Recent experiments observed fractional Chern insulators (FCI) in twisted bilayer MoTe 2 at
zero magnetic field, yet even the single-particle model of this material is controversial …
zero magnetic field, yet even the single-particle model of this material is controversial …
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 …