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.
InProceedings of the 35th Annual ACM Symposium on Theory of Computing (STOC ’03), 10–19 (ACM, 2003)
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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.