Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

Quantum materials hosting Weyl fermions have opened a new era of research in condensed
matter physics. First proposed in 1929 in the context of particle physics, Weyl fermions have …

Three-dimensional (3D) topological semimetals represent a new class of topological
matters. The study of this family of materials has been at the frontiers of condensed matter …

Discovered decades ago, the quantum Hall effect remains one of the most studied
phenomena in condensed matter physics and is relevant for research areas such as …

Weyl semimetals host chiral fermions with distinct chiralities and spin textures. Optical
excitations involving those chiral fermions can induce exotic carrier responses, and in turn …

Cadmium arsenide (Cd 3 As 2), a time-honored and widely explored material in solid-state
physics, has recently attracted considerable attention. This was triggered by a theoretical …

Harmonic generation is a general characteristic of driven nonlinear systems, and serves as
an efficient tool for investigating the fundamental principles that govern the ultrafast …

The Dirac semimetal cadmium arsenide (Cd3As2), a 3D electronic analog of graphene, has
sparked renewed research interests for its novel topological phases and excellent …

Abstract In two-dimensional (2D) systems, high mobility is typically achieved in low-carrier-
density semiconductors and semimetals. Here, we discover that the nanobelts of Weyl …

Chiral bulk Landau levels and surface arcs, as the two distinctive features unique to Weyl
semimetals, have each attracted enormous interest. Recent works have revealed that …