Fractionalized Fermi liquid with bosonic chargons as a candidate for the pseudogap metal

@article{Chatterjee2016FractionalizedFL,
  title={Fractionalized Fermi liquid with bosonic chargons as a candidate for the pseudogap metal},
  author={S. Chatterjee and S. Sachdev},
  journal={Physical Review B},
  year={2016},
  volume={94},
  pages={205117}
}
Doping a Mott-insulating $\mathbb{Z}_2$ spin liquid can lead to a fractionalized Fermi liquid (FL*). Such a phase has several favorable features that make it a candidate for the pseudogap metal for the underdoped cuprates. We focus on a particular, simple $\mathbb{Z}_2$-FL* state which can undergo a confinement transition to a spatially uniform superconductor which is smoothly connected to the `plain vanilla' BCS superconductor with $d$-wave pairing. Such a transition occurs by the condensation… Expand
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