Perturbed random Floquet-Clifford circuits exhibit operator-space fragmentation into wall-separated sectors for p < 1, yielding exact local integrals of motion, tunable operator spreading length, an entanglement bottleneck, and a pre-RMT fragmentation timescale at p = 1.
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The minimal distance of a correlation to the local set lower-bounds the minimal distance of the state to the separable set, yielding bounds on entanglement measures from arbitrary nonlocal correlations in general Bell scenarios.
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Operator space fragmentation in perturbed Floquet-Clifford circuits
Perturbed random Floquet-Clifford circuits exhibit operator-space fragmentation into wall-separated sectors for p < 1, yielding exact local integrals of motion, tunable operator spreading length, an entanglement bottleneck, and a pre-RMT fragmentation timescale at p = 1.
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Lower-bounding entanglement with nonlocality in a general Bell's scenario
The minimal distance of a correlation to the local set lower-bounds the minimal distance of the state to the separable set, yielding bounds on entanglement measures from arbitrary nonlocal correlations in general Bell scenarios.