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 …

The exceptional physical properties of two-dimensional (2D) van der Waals (vdW) materials
have been extensively researched, driving advances in material synthesis. Epitaxial growth …

Chern insulators, which are the lattice analogues of the quantum Hall states, can potentially
manifest high-temperature topological orders at zero magnetic field to enable next …

The interplay between strong correlations and topology can lead to the emergence of
intriguing quantum states of matter. One well-known example is the fractional quantum Hall …

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 spin Hall (QSH) insulators are two-dimensional electronic materials that have a
bulk band gap similar to an ordinary insulator but have topologically protected pairs of edge …

Moiré materials have enabled the realization of flat electron bands and quantum phases that
are driven by the strong correlations associated with flat bands,,–. Superconductivity has …

The discovery of superconductivity in twisted bilayer and trilayer graphene,,,–has generated
tremendous interest. The key feature of these systems is an interplay between interlayer …

Quantum geometry defines the phase and amplitude distances between quantum states.
The phase distance is characterized by the Berry curvature and thus relates to topological …

Two-dimensional semiconductors, such as transition metal dichalcogenides, have
demonstrated tremendous promise for the development of highly tunable quantum devices …