Disentangling photodoping, photoconductivity, and photosuperconductivity in the cuprates

R. El Hage, D. Sánchez-Manzano, V. Humbert +10

The normal-state conductivity and superconducting critical temperature of oxygen-deficient YBa2Cu3O7-x can be persistently enhanced by illumination. Strongly debated for years, the…