Magic of high-order van Hove singularity

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.

Bibliographic Details
Main Authors: Noah F. Q. Yuan, Hiroki Isobe, Liang Fu
Format: Article
Language:English
Published: Nature Publishing Group 2019-12-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-019-13670-9