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Towards a Resolution of Dilemma: Nonlocality or Nonobjectivity?
Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.ORCID iD: 0000-0002-9857-0938
2012 (English)In: International journal of theoretical physics, ISSN 0020-7748, E-ISSN 1572-9575, Vol. 51, no 8, p. 2488-2502Article in journal (Refereed) Published
Abstract [en]

This paper discusses a possible resolution of the nonobjectivity-nonlocality dilemma in quantum mechanics in the light of experimental tests of the Bell inequality for two entangled photons and a Bell-like inequality for a single neutron. My conclusion is that these experiments show that quantum mechanics is nonobjective: that is, the values of physical observables cannot be assigned to a system before measurement. Bell's assumption of nonlocality has to be rejected as having no direct experimental confirmation, at least thus far. I also consider the relationships between nonobjectivity and contextuality. Specifically, I analyze the impact of the Kochen-Specker theorem on the problem of contextuality of quantum observables. I argue that, just as von Neumann's "no-go" theorem, the Kochen-Specker theorem is based on assumptions that do not correspond to the real physical situation. Finally, I present a theory of measurement based on a classical, purely wave model (pre-quantum classical statistical field theory), a model that reproduces quantum probabilities. In this model continuous fields are transformed into discrete clicks of detectors. While this model is classical, it is nonobjective. In this case, nonobjectivity is the result of the dependence of experimental outcomes on the context of measurement, in accordance with Bohr's view.

Place, publisher, year, edition, pages
SPRINGER/PLENUM PUBLISHERS , 2012. Vol. 51, no 8, p. 2488-2502
Keywords [en]
Nonlocality, Nonobjectivity, Contextuality, Bell's inequality, Classical signal model, Detection, Calibration
National Category
Mathematics
Research subject
Natural Science, Mathematics
Identifiers
URN: urn:nbn:se:lnu:diva-115415DOI: 10.1007/s10773-012-1129-3ISI: 000305804300019Scopus ID: 2-s2.0-84863107899OAI: oai:DiVA.org:lnu-115415DiVA, id: diva2:1683497
Available from: 2022-07-15 Created: 2022-07-15 Last updated: 2022-07-15Bibliographically approved

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Khrennikov, Andrei

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