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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2024
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| Sujets: | |
| Accès en ligne: | https://arxiv.org/abs/2404.12790 |
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| _version_ | 1866914211278356480 |
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| author | Lauand, Pedro Poderini, Davide Rabelo, Rafael Chaves, Rafael |
| author_facet | Lauand, Pedro Poderini, Davide Rabelo, Rafael Chaves, Rafael |
| contents | Bell's theorem prompts us with a fundamental inquiry: what is the simplest scenario leading to the incompatibility between quantum correlations and the classical theory of causality? Here we demonstrate that quantum non-classicality is possible in a network consisting of only three dichotomic variables, without the need of the locality assumption neither external measurement choices. We also show that the use of interventions, a central tool in the field of causal inference, significantly improves the noise robustness of this new kind of non-classical behaviour, making it feasible for experimental tests with current technology. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_12790 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quantum non-classicality in the simplest causal network Lauand, Pedro Poderini, Davide Rabelo, Rafael Chaves, Rafael Quantum Physics Bell's theorem prompts us with a fundamental inquiry: what is the simplest scenario leading to the incompatibility between quantum correlations and the classical theory of causality? Here we demonstrate that quantum non-classicality is possible in a network consisting of only three dichotomic variables, without the need of the locality assumption neither external measurement choices. We also show that the use of interventions, a central tool in the field of causal inference, significantly improves the noise robustness of this new kind of non-classical behaviour, making it feasible for experimental tests with current technology. |
| title | Quantum non-classicality in the simplest causal network |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2404.12790 |