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Kaons and Bell’s inequality. (English) Zbl 0979.81030

Garola, Claudio (ed.) et al., The foundations of quantum mechanics. Historical analysis and open questions. Proceedings, Lecce, Italy, October 13-16, 1998. Singapore: World Scientific. 18-30 (2000).
Summary: The possibility of violating Bell’s inequality with pairs of neutral kaons is explored. Stereographic projection is used to represent the states of kaons on the Riemann sphere. A ‘meridian’ inequality is violated with an observable involving possibly unmeasurable quantities. The violation of an ‘equatorial’ inequality is prevented by decay. Ignoring decay and taking time evolution to be unitary the inequality is abundantly violated.
For the entire collection see [Zbl 0956.00050].

MSC:

81P68 Quantum computation
81V05 Strong interaction, including quantum chromodynamics
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