High Temperature Superconductivity: Ineluctable Complexity

TL;DR

This paper discusses the complex relationship between charge-density-wave order and high-temperature superconductivity in YBa₂Cu₃O₆₊y, highlighting their intertwined nature rather than competition.

Contribution

It emphasizes the importance of charge order in high-temperature superconductors and explores its role alongside superconductivity.

Findings

Charge-density-wave order is present in YBa₂Cu₃O₆₊y.

Charge order and superconductivity are intertwined.

Charge order may be fundamental to understanding high-temperature superconductivity.

Abstract

The discovery of charge-density-wave order in the high-temperature superconductor YBa$_2$Cu$_3$O$_{6+y}$ places charge order centre stage with superconductivity, suggesting they they are intertwined rather than competing.