Genuine Four Tangle for Four Qubit States
classification
🪐 quant-ph
keywords
qubitfourgenuineinvariantscorrelationsfour-bodyfourthinvariant
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We report a four qubit polynomial invariant that quantifies genuine four-body correlations. The four qubit invariants are obtained from transformation properties of three qubit invariants under a local unitary on the fourth qubit.
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