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.
Quantum circuit for the direct measurement of the three-tangle of three-qubit states.Progress of Theoretical and Experimental Physics, 2022(9), July 2022
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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.