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Verification of Bell Nonlocality by Violating Quantum Monogamy Relations

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arxiv 2403.09166 v1 pith:DR2SJAHH submitted 2024-03-14 quant-ph

Verification of Bell Nonlocality by Violating Quantum Monogamy Relations

classification quant-ph
keywords bellmonogamyquantumrelationsviolatingentanglementexperimentinequalities
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Quantum nonlocality as a witness of entanglement plays a crucial role in various fields. Existing quantum monogamy relations rule out the possibility of simultaneous violations of any Bell inequalities with partial statistics generated from one Bell experiment on any multipartite entanglement or post-quantum sources. In this paper, we report an efficient method to construct multipartite Bell test based on any Bell inequalities. We demonstrate that violating these monogamy relations can dynamically witness simultaneous Bell nonlocalities of partial systems. We conduct a tripartite experiment to verify quantum nonlocalities by violating a tripartite monogamy relation using a maximally entangled two-photon state.

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