Constructs staggered finite-range dual-unitary Floquet models whose entanglement entropies are exactly the sum of independent sublattice contributions for all times and all Rényi indices.
Mixed-State Entanglement in a Minimal Model of Quantum Chaos,
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Numerical study of the SYK-q spin model finds rapid entanglement growth to Haar-random saturation, a universal Rényi-1/2 mutual information vs negativity relation at minimal q, and Page-curve behavior in negativity under unequal partitions.
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Exact Entanglement Dynamics Beyond Nearest-Neighbor Dual-Unitary Floquet Systems
Constructs staggered finite-range dual-unitary Floquet models whose entanglement entropies are exactly the sum of independent sublattice contributions for all times and all Rényi indices.
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Information scrambling in all-to-all interacting models
Numerical study of the SYK-q spin model finds rapid entanglement growth to Haar-random saturation, a universal Rényi-1/2 mutual information vs negativity relation at minimal q, and Page-curve behavior in negativity under unequal partitions.