Weyl semimetals are topological materials whose low-energy excitations obey the Weyl equation. In a Weyl semimetal, the conduction and valence bands touch at discrete points in momentum space called ...

IMAGE1: Lattice model and formation of Weyl exceptional rings. a, Schematic of the 3D lattice in a rhombic prism geometry, with three sublattices in a unit cell. b, Distributions of the Weyl points ...

Topology is a global aspect of materials, leading to fundamental new properties for compounds with large relativistic effects. The incorporation of heavy elements gives rise to non-trivial topological ...

Quasiparticles with linear dispersion in condensed matter 1 systems have sparked considerable excitement since their discovery in graphene 2, topological insulators 3, Dirac semimetals such as Na 3 Bi ...