As the first in a large family of 2D van der Waals (vdW) materials, graphene has attracted
enormous attention owing to its remarkable properties. The recent development of simple …

With the profuse amount of two-dimensional (2D) materials discovered and the
improvements in their synthesis and handling, the field of 2D heterostructures has gained …

Interactions between electrons and the topology of their energy bands can create unusual
quantum phases of matter. Most topological electronic phases appear in systems with weak …

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 …

The recent discovery of correlated insulator states and superconductivity in magic-angle
twisted bilayer graphene, has enabled the experimental investigation of electronic …

The interaction between electrons in graphene under high magnetic fields drives the
formation of a rich set of quantum Hall ferromagnetic (QHFM) phases with broken spin or …

Twisted van der Waals heterostructures with flat electronic bands have recently emerged as
a platform for realizing correlated and topological states with a high degree of control and …

Flat bands in magic-angle twisted bilayer graphene (MATBG) have recently emerged as a
rich platform to explore strong correlations, superconductivity,,–and magnetism,,. However …

The discovery of magic angle twisted bilayer graphene has unveiled a rich variety of
superconducting, magnetic, and topologically nontrivial phases. Here, we show that the zero …

A remarkable recent experiment has observed Mott insulator and proximate superconductor
phases in twisted bilayer graphene when electrons partly fill a nearly flat miniband that …