The quantum Hall (QH) effect, quantized Hall resistance combined with zero longitudinal
resistance, is the characteristic experimental fingerprint of Chern insulators—topologically …

The large variety of 2D materials and their co-integration in van der Waals heterostructures
enable innovative device engineering. In addition, their atomically thin nature promotes the …

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 …

Electron correlation and topology are two central threads of modern condensed matter
physics. Semiconductor moiré materials provide a highly tuneable platform for studies of …

As spins move through a chiral electric field, the resulting spin current can acquire chirality
through a spin–orbit interaction. Such spin currents are highly useful in creating spin–orbit …

The anomalous Hall effect (AHE) is one of the most fundamental phenomena in physics. In
the highly conductive regime, ferromagnetic metals have been the focus of past research …

Over the past decade, topology has emerged as a major branch in broad areas of physics,
from atomic lattices to condensed matter. In particular, topology has received significant …

The topological properties of an object, associated with an integer called the topological
invariant, are global features that cannot change continuously but only through abrupt …

Quantum materials have attracted much attention in recent years due to their exotic and
incredible properties. Among them, van der Waals materials stand out due to their weak …