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.
The quasi-particle picture and its breakdown af- ter local quenches: mutual information, negativ- ity, and reflected entropy,
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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.