Nature Communications (Jun 2018)

Broken translational symmetry at edges of high-temperature superconductors

  • P. Holmvall,
  • A. B. Vorontsov,
  • M. Fogelström,
  • T. Löfwander

DOI
https://doi.org/10.1038/s41467-018-04531-y
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 11

Abstract

Read online

Zero-energy flat bands indicate topological origin but their presence is usually energetically unfavorable. Here, Holmvall et al. propose an order parameter to quantify a phase transition associated with exotic topological properties in high-temperature superconductors hosting such flat bands.