$Z_2$ fractionalized phases of a solvable, disordered, $t$-$J$ model

Wenbo Fu, Yingfei Gu, Subir Sachdev +1

We describe the phases of a solvable $t$-$J$ model of electrons with infinite-range, and random, hopping and exchange interactions, similar to those in the Sachdev-Ye-Kitaev models…