Information dynamics in a model with Hilbert space fragmentation

@article{Hahn2021InformationDI,
  title={Information dynamics in a model with Hilbert space fragmentation},
  author={Dominik Hahn and Paul A. McClarty and David J. Luitz},
  journal={SciPost Physics},
  year={2021}
}
The fully frustrated ladder – a quasi-1D geometrically frustrated spin one half Heisenberg model – is non-integrable with local conserved quantities on rungs of the ladder, inducing the local fragmentation of the Hilbert space into sectors composed of singlets and triplets on rungs. We explore the far-from-equilibrium dynamics of this model through the entanglement entropy and out-of-time-ordered correlators (OTOC). The post-quench dynamics of the entanglement entropy is highly anomalous as it… 
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