Observation of Caroli-de Gennes-Matricon Vortex States in YBa${}_2$Cu${}_3$O${}_{7-\delta }$

Christophe Berthod, Ivan Maggio-Aprile, Jens Bruér +2

The copper oxides present the highest superconducting temperature and properties at odds with other compounds, suggestive of a fundamentally different superconductivity. In particu…