# Z 2 fractionalized phases of a solvable disordered t -J model

@article{Fu2018Z2F,
title={Z 2 fractionalized phases of a solvable disordered t -J model},
author={Wenbo Fu and Y. Gu and S. Sachdev and G. Tarnopolsky},
journal={Physical Review B},
year={2018},
volume={98},
pages={075150}
}
• Wenbo Fu, +1 author G. Tarnopolsky
• Published 2018
• Physics
• Physical Review B
• 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. The electron fractionalizes, as in an `orthogonal metal', into a fermion $f$ which carries both the electron spin and charge, and a boson $\phi$. Both $f$ and $\phi$ carry emergent $\mathbb{Z}_2$ gauge charges. The model has a phase in which the $\phi$ bosons are gapped, and the $f$ fermions are gapless and critical… CONTINUE READING
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