Thermodynamic signature of a magnetic-field-driven phase transition within the superconducting state of an underdoped high-temperature superconductor

J. B. Kemper, O. Vafek, J. B. Betts +5

More than a quarter century after the discovery of the high temperature superconductor (HTS) YBa${}_2$Cu${}_3$O${}_{6+\delta }$ (YBCO) studies continue to uncover complexity in its phase diagr…