Type II t-J model in charge transfer regime in bilayer La${}_3$Ni${}_2$O${}_7$ and trilayer La${}_4$Ni${}_3$O${}_{10}$

Hanbit Oh, Boran Zhou, Ya-Hui Zhang

Recent observations of an 80 K superconductor in La${}_3$Ni${}_2$O${}_7$ under high pressure have attracted significant attention. Recent experiments indicate that La${}_3$Ni${}_2$O${}_7$ may…