The moment difference between partial transpose and purity equals a spin-chirality correlator, enabling a spectral classifier that detects bound entanglement with 99.9% recall at zero false positives.
Preprint athttps://arxiv.org/abs/2307.04382(2023)
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Spin chirality across quantum state copies detects hidden entanglement
The moment difference between partial transpose and purity equals a spin-chirality correlator, enabling a spectral classifier that detects bound entanglement with 99.9% recall at zero false positives.