Quantitative mappings between symmetry and topology in solids

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.

Bibliographic Details
Main Authors: Zhida Song, Tiantian Zhang, Zhong Fang, Chen Fang
Format: Article
Language:English
Published: Nature Publishing Group 2018-08-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-018-06010-w