Magnetism in two-dimensional (2D) van der Waals (vdW) materials has recently emerged as
one of the most promising areas in condensed matter research, with many exciting emerging …

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

The Berry curvature and quantum metric are the imaginary part and real part, respectively, of
the quantum geometric tensor, which characterizes the topology of quantum states. The …

Quantum geometry in condensed-matter physics has two components: the real part quantum
metric and the imaginary part Berry curvature. Whereas the effects of Berry curvature have …

Since the isolation of graphene in 2004, two-dimensional (2D) materials research has
rapidly evolved into an entire subdiscipline in the physical sciences with a wide range of …

MnBi2Te4, a van der Waals magnet, is an emergent platform for exploring Chern insulator
physics. Its layered antiferromagnetic order was predicted to enable even–odd layer number …

Using circularly polarized light to control quantum matter is a highly intriguing topic in
physics, chemistry and biology. Previous studies have demonstrated helicity-dependent …

Magnetic van der Waals (vdW) materials possess versatile spin configurations stabilized in
reduced dimensions. One magnetic order is the interlayer antiferromagnetism in A-type vdW …

Two-dimensional (2D) materials and their van der Waals (vdW) heterostructures provide
powerful platforms for exploring fascinating physical phenomena and implementing …

The interplay between band topology and magnetism can give rise to exotic states of matter.
For example, magnetically doped topological insulators can realize a Chern insulator that …