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arXiv · 1704.00655

Nodal-link semimetals

Zhongbo Yan·Ren Bi·Huitao Shen·Ling Lu·Shou-Cheng Zhang·Zhong Wang
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Abstract

In topological semimetals, the valence band and conduction band meet at zero-dimensional nodal points or one-dimensional nodal rings, which are protected by band topology and symmetries. In this Rapid Communication, we introduce "nodal-link semimetals", which host linked nodal rings in the Brillouin zone. We put forward a general recipe based on the Hopf map for constructing models of nodal-link semimetal. The consequences of nodal ring linking in the Landau levels and Floquet properties are investigated.

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Zhongbo Yan, Ren Bi, Huitao Shen, Ling Lu, Shou-Cheng Zhang, Zhong Wang. 2017-04-03. Nodal-link semimetals. https://doi.org/10.1103/physrevb.96.041103

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