articleCommunications PhysicsJul 30, 2025GOLD OA

Topological Weyl altermagnetism in CrSb

CLCong LiMHMengli HuZLZhilin LiYWYang WangWCWanyu Chen

KTH Royal Institute of Technology · Leibniz Institute for Solid State and Materials Research · +12 more institutions

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Abstract

Abstract Altermagnets constitute a novel, third fundamental class of collinear magnetic ordered materials, alongside with ferro- and antiferromagnets. They share with conventional antiferromagnets the feature of a vanishing net magnetization. At the same time they show a spin-splitting of electronic bands, just as in ferromagnets, caused by the atomic exchange interaction. On the other hand, topology has recently revolutionized our understanding of condensed matter physics, introducing new phases of matter classified by intrinsic topological order. Here we connect the worlds of altermagnetism and topology, showing that the electronic structure of the altermagnet CrSb is topological. Using high-resolution…

Citation impact

43
total citations
FWCI
42.23
Percentile
100%
References
62
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Authors

15

Topics & keywords

Topics
Keywords
  • Topology (electrical circuits)
  • Condensed matter physics
  • Physics
  • Algebra over a field
  • Pure mathematics
  • Mathematics
  • Combinatorics
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