Revisiting the vortex-core tunnelling spectroscopy in YBa${}_2$Cu${}_3$O${}_{7-\delta }$

Jens Bruér, Ivan Maggio-Aprile, Nathan Jenkins +5

The observation by scanning tunnelling spectroscopy (STS) of Abrikosov vortex cores in the high-temperature superconductor YBa${}_2$Cu${}_3$O${}_{7-\delta }$ (Y123) has revealed a robust pair…