Doping dependence of the low temperature planar carrier density in overdoped YBa${}_2$Cu${}_3$O${}_{7-\delta }$

Rebecca Nicholls, Roemer Hinlopen, Jake Ayres +6

Whether a quantum critical point (QCP) demarcates the end of the pseudogap (PG) regime in hole-doped cuprates at a singular doping level $p^{\ast }\approx 0.19$ remains an open question…