Device‐Independent Dimension Leakage Null Test on Qubits at Low Operational Cost

A null test of the two‐level space of a qubit is constructed, which is both device independent and needs a small number of different experiments. Its feasibility is demonstrated on IBM Quantum, with most qubits failing the test by more than ten standard deviations. The robustness of the test against...

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Veröffentlicht in:	Advanced quantum technologies (Online) 2025-01, Vol.8 (1), p.n/a
Hauptverfasser:	Rybotycki, Tomasz, Białecki, Tomasz, Batle, Josep, Bednorz, Adam
Format:	Artikel
Sprache:	eng
Schlagworte:	Bloch sphere dimension witness quantum computer
Online-Zugang:	Volltext
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