Unveiling the superconducting mechanism of Ba${}_{0.51}$K${}_{0.49}$BiO${}_3$

C. H. P. Wen, H. C. Xu, Q. Yao +17

Bismuthates were the first family of oxide high-temperature superconductors, exhibiting superconducting transition temperatures (Tc) up to 32K, but the superconducting mechanism re…