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 …

Weyl and Dirac semimetals are three-dimensional phases of matter with gapless electronic
excitations that are protected by topology and symmetry. As three-dimensional analogs of …

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 …

Materials harbouring exotic quasiparticles, such as massless Dirac and Weyl fermions, have
garnered much attention from physics and material science communities due to their …

A Dirac nodal-line semimetal phase, which represents a new quantum state of topological
materials, has been experimentally realized only in a few systems, including PbTaSe 2, PtSn …

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 …

We study the band topology and the associated linking structure of topological semimetals
with nodal lines carrying Z 2 monopole charges, which can be realized in three-dimensional …

We review recent theoretical progress in the understanding and prediction of novel
topological semimetals. Topological semimetals define a class of gapless electronic phases …

In topological semimetals, the valance band and conduction band meet at zero-dimensional
nodal points or one-dimensional nodal rings, which are protected by band topology and …

Topological nodal line semimetals, a novel quantum state of materials, possess
topologically nontrivial valence and conduction bands that touch at a line near the Fermi …