Nature Communications (Aug 2018)

Quantitative mappings between symmetry and topology in solids

  • Zhida Song,
  • Tiantian Zhang,
  • Zhong Fang,
  • Chen Fang

DOI
https://doi.org/10.1038/s41467-018-06010-w
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 7

Abstract

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The defining quantities of topological materials—the topological invariants—are often difficult to calculate. Here, Song et al. report a simplified method to calculate both the symmetry data and the topological invariants for arbitrary gapped band structure with time-reversal symmetry.