Enhancement of the critical temperature in cuprate superconductors by inhomogeneous doping
Enhancement of the critical temperature in cuprate superconductors by inhomogeneous doping
We use a renormalized mean field theory to investigate the superconducting properties of underdoped cuprates embedded with overdoped or metallic regions that carry excess dopants. The overdoped regions are considered, within two different models, first as stripes of mesoscopic size larger than the coherence length and then as point impurities. …