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Title: Spin and Wind Directions II: A Bell State Quantum Model
Authors: Aerts, Diederik
Arguëlles, Jonito Aerts
Beltran, Lester
Geriente, Suzette
Sassoli de Bianchi, Massimiliano
Sozzo, Sandro
Veloz, Tomas
First Published: 24-Jun-2017
Publisher: Springer Verlag (Germany) for Association for Foundations of Science, Language and Cognition
Citation: Foundations of Science, 2017, pp. 1-29
Abstract: In the first half of this two-part article (Aerts et al. in Found Sci. doi:10.1007/s10699-017-9528-9, 2017b), we analyzed a cognitive psychology experiment where participants were asked to select pairs of directions that they considered to be the best example of Two Different Wind Directions, and showed that the data violate the CHSH version of Bell’s inequality, with same magnitude as in typical Bell-test experiments in physics. In this second part, we complete our analysis by presenting a symmetrized version of the experiment, still violating the CHSH inequality but now also obeying the marginal law, for which we provide a full quantum modeling in Hilbert space, using a singlet state and suitably chosen product measurements. We also address some of the criticisms that have been recently directed at experiments of this kind, according to which they would not highlight the presence of genuine forms of entanglement. We explain that these criticisms are based on a view of entanglement that is too restrictive, thus unable to capture all possible ways physical and conceptual entities can connect and form systems behaving as a whole. We also provide an example of a mechanical model showing that the violations of the marginal law and Bell inequalities are generally to be associated with different mechanisms.
DOI Link: 10.1007/s10699-017-9530-2
ISSN: 1233-1821
eISSN: 1572-8471
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © the authors, 2017. This is an open-access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Appears in Collections:Published Articles, School of Management

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