Closing objectivity loophole in Bell tests on a public quantum computer
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Acceso en línea: | |
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| _version_ | 1866909660523528192 |
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| author | Bednorz, Adam Batle, Josep Białecki, Tomasz Korbicz, Jarosław K. |
| author_facet | Bednorz, Adam Batle, Josep Białecki, Tomasz Korbicz, Jarosław K. |
| contents | We have constructed and run a Bell test of local realism focusing on the objectivity criterion. The objectivity means that the outcomes are confirmed macroscopically by a few observers at each party. The IBM Quantum and IonQ devices turn out to be sufficiently accurate to pass such an extended Bell-type test, although at the price of communication loopholes and residual but statistically significant signaling. The test also serves as the benchmark of entanglement spread across larger sets of qubits. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_08940 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Closing objectivity loophole in Bell tests on a public quantum computer Bednorz, Adam Batle, Josep Białecki, Tomasz Korbicz, Jarosław K. Quantum Physics We have constructed and run a Bell test of local realism focusing on the objectivity criterion. The objectivity means that the outcomes are confirmed macroscopically by a few observers at each party. The IBM Quantum and IonQ devices turn out to be sufficiently accurate to pass such an extended Bell-type test, although at the price of communication loopholes and residual but statistically significant signaling. The test also serves as the benchmark of entanglement spread across larger sets of qubits. |
| title | Closing objectivity loophole in Bell tests on a public quantum computer |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2506.08940 |