Twisted bilayer graphene has a rich phase diagram, including superconductivity. Recently,
an unexpected discovery has been the observation of superconductivity in non-twisted …

The flattening of single-particle band structures plays an important role in the quest for novel
quantum states of matter owing to the crucial role of interactions. Recent advances in theory …

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 …

In the presence of a large perpendicular electric field, Bernal-stacked bilayer graphene
(BLG) features several broken-symmetry metallic phases,–as well as magnetic-field-induced …

Rhombohedral-stacked multilayer graphene hosts a pair of flat bands touching at zero
energy, which should give rise to correlated electron phenomena that can be tuned further …

Interactions among charge carriers in graphene can lead to the spontaneous breaking of
multiple degeneracies. When increasing the number of graphene layers following …

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 …

Recent experiments on rhombohedral pentalayer graphene with a substrate-induced moiré
potential have identified both Chern insulators and fractional quantum Hall states at zero …

Ferroic orders describe spontaneous polarization of spin, charge and lattice degrees of
freedom in materials. Materials exhibiting multiple ferroic orders, known as multiferroics …

Graphene moiré superlattices show an abundance of correlated insulating, topological, and
superconducting phases. Whereas the origins of strong correlations and nontrivial topology …