Nature Communications (Dec 2019)

Magic of high-order van Hove singularity

  • Noah F. Q. Yuan,
  • Hiroki Isobe,
  • Liang Fu

DOI
https://doi.org/10.1038/s41467-019-13670-9
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 7

Abstract

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Correlation effect is essential to stabilize exotic phases such as superconductivity in twisted bilayer graphene. Here, Yuan et al. predict significantly enhanced electron correlation effects due to an emergent high-order van Hove singularity in a two dimensional moiré superlattice.