Local qubit invariants on quantum computer
Szil\'ard Szalay, Fr\'ed\'eric Holweck
TL;DR
This paper introduces two methods for directly measuring local unitary invariants on quantum computers, demonstrating their application to three-qubit entanglement measures on IBM Quantum Platform.
Contribution
The paper proposes novel methods for measuring local invariants directly on quantum hardware, with practical demonstrations on IBM Quantum for three-qubit entanglement.
Findings
Successfully implemented measurement methods on IBM Quantum Platform.
Demonstrated measurement of important three-qubit invariants.
Validated methods for entanglement quantification on quantum computers.
Abstract
We present two general methods to implement quantum circuits for the direct measuring of local unitary invariants on quantum computers. We work these out for important three-qubit invariants, and also demonstrate these on the IBM Quantum Platform for important entanglement measures of three qubits.
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