# Weyl semimetal in a topological insulator multilayer.

@article{Burkov2011WeylSI, title={Weyl semimetal in a topological insulator multilayer.}, author={Anton A. Burkov and Leon Balents}, journal={Physical review letters}, year={2011}, volume={107 12}, pages={ 127205 } }

We propose a simple realization of the three-dimensional (3D) Weyl semimetal phase, utilizing a multilayer structure, composed of identical thin films of a magnetically doped 3D topological insulator, separated by ordinary-insulator spacer layers. We show that the phase diagram of this system contains a Weyl semimetal phase of the simplest possible kind, with only two Dirac nodes of opposite chirality, separated in momentum space, in its band structure. This Weyl semimetal has a finite…

## 1,284 Citations

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Experiments show that TaAs is a three-dimensional topological Weyl semimetal. Three-dimensional (3D) topologicalWeyl semimetals (TWSs) represent a state of quantum matter with unusual electronic…

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We propose a new topological quantum state of matter---the two-dimensional (2D) Weyl half semimetal (WHS), which features 2D Weyl points at Fermi level belonging to a single spin channel, such that…

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