Two methods are introduced for quantum circuits that directly measure local unitary invariants of three qubits, with demonstrations on IBM Quantum hardware for entanglement measures.
Three fermions with six single-particle states can be entangled in two inequivalent ways.Physical Review A, 78:022329, Aug 2008
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Local qubit invariants on quantum computer
Two methods are introduced for quantum circuits that directly measure local unitary invariants of three qubits, with demonstrations on IBM Quantum hardware for entanglement measures.