Relaxed Bell inequalities as a trade-off relation between measurement dependence and hiddenness
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| Format: | Preprint |
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2022
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| _version_ | 1866929647055273984 |
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| author | Kimura, Gen Susuki, Yugo Morisue, Kei |
| author_facet | Kimura, Gen Susuki, Yugo Morisue, Kei |
| contents | Quantum correlations that violate the Bell inequality cannot be explained by any (measurement independent) local hidden variable theory. However, the violation only implies incompatibility of the underlying assumptions of reality, locality, and measurement independence, and does not address the extent to which each assumption is violated quantitatively. In contrast, Hall (2010,2011) gave a quantification of each assumption and generalized the Bell-CHSH inequality that gives a trade-off relationship between the underlying assumptions. In this paper, we introduce a quantification of hidden variables (hiddenness) and derive a new trade-off relation between the hiddenness and the measurement dependency that holds for any local hidden variable theory. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2206_06196 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Relaxed Bell inequalities as a trade-off relation between measurement dependence and hiddenness Kimura, Gen Susuki, Yugo Morisue, Kei Quantum Physics Quantum correlations that violate the Bell inequality cannot be explained by any (measurement independent) local hidden variable theory. However, the violation only implies incompatibility of the underlying assumptions of reality, locality, and measurement independence, and does not address the extent to which each assumption is violated quantitatively. In contrast, Hall (2010,2011) gave a quantification of each assumption and generalized the Bell-CHSH inequality that gives a trade-off relationship between the underlying assumptions. In this paper, we introduce a quantification of hidden variables (hiddenness) and derive a new trade-off relation between the hiddenness and the measurement dependency that holds for any local hidden variable theory. |
| title | Relaxed Bell inequalities as a trade-off relation between measurement dependence and hiddenness |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2206.06196 |