Weyl Metals

By A. Burkov. 2017

305 citations recorded by the source corpus.

Weyl metal is the first example of a conducting material with a nontrivial electronic structure topology, making it distinct from an ordinary metal. Unlike in insulators, the nontrivial topology is not related to invariants, associated with completely filled bands, but with ones, associated with the Fermi surface. The Fermi surface of a topological metal consists of disconnected sheets, each enclosing a Weyl node, which is a point of contact between two nondegenerate bands. Such a point contact acts as a source of Berry curvature, or a magnetic monopole in momentum space. Its charge, or the flux of the Berry curvature through the enclosing Fermi surface sheet, is a topological invariant. We review the current state of this rapidly growing field, with a focus on bulk transport phenomena in topological metals.

Subfields: Atomic and Molecular Physics, and Optics, Condensed Matter Physics, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/cb8cf6774c9c8d68190cf5c15f898335ec798fb2

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In Atomic and Molecular Physics, and Optics

In Condensed Matter Physics

In Materials Chemistry

Citations in the corpus

Light control with Weyl semimetals (2022, unknown): “[54, 2, 55]; for electronic properties, see Ref.”
Weyl and Dirac semimetals in three-dimensional solids (2017, background): “24 needs to be supplemented by an equation describing the relaxation of the chiral charge (Burkov, 2017).”
Topological Semimetals from First Principles (2018, background): “ far from the only possible perspective one may adopt. In this regard, we note that a number of excellent longer and shorter reviews already exist in the general area of gapless topological materials (37,38,39,40,41,42,26,30,43,44,45,3,31,46,47,48,49,32). 2.DIRAC SEMIMETALS The Dirac Hamiltonian pla”