Pressure Driven Fractionalization of Ionic Spins Results in Cupratelike High-$T_c$ Superconductivity in La${}_3$Ni${}_2$O${}_7$

Ruoshi Jiang, Jinning Hou, Zhiyu Fan +2

Beyond 14GPa of pressure, bi-layered La${}_3$Ni${}_2$O${}_7$ was recently found to develop strong superconductivity above the liquid nitrogen boiling temperature. An immediate essential…