Author

Michele Viscardi

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Preprint Sep 2026

Non-local Magic: closed-form solution and equivalence with magic of purification

Non-local magic quantifies the non-stabilizerness of a bipartite quantum state that cannot be removed by local unitary transformations. Despite its natural definition, its evaluation generally requires a difficult optimization over local unitaries. Here, we show that for the log-stabilizer fidelity this optimization ad...

Michele Viscardi, L. Leone, A. Hamma · 9 citations