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Nonlocal classical "realism" and quantum superposition as the nonexistence of definite pre-measurement values of physical quantities

,
Lomonosov Moscow State University, Department of Physics, Leninskie Gory 1 build. 2, Moscow, 119991, Russian Federation

This paper reviews experimental setups in which it was possible to prove, based on measured photon crosscorrelation suppression effects at the beam splitter and using prepared squeezed states, the nonexistence of a definite value of the photon phase difference in Fock states (otherwise these two effects cannot exist simultaneously). It is shown that this conclusion emphasizes the internal inconsistency of the quantum mechanics interpretation in the spirit of classical nonlocal "realism" — in the sense that measured physical quantities have no definite values a priori, i.e. before the moment of measurement.

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Fulltext is also available at DOI: 10.3367/UFNe.2017.09.038210
Keywords: quantum uncertainty, quantum superposition, entanglement, quantum nonlocality, Copenhagen interpretation
PACS: 03.65.Ud, 42.65.Lm (all)
DOI: 10.3367/UFNe.2017.09.038210
URL: https://ufn.ru/en/articles/2018/3/g/
Citation: Belinsky A V, Klevtsov A A "Nonlocal classical "realism" and quantum superposition as the nonexistence of definite pre-measurement values of physical quantities" Phys. Usp. 61 313–319 (2018)
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Received: 6th, April 2017, revised: 27th, July 2017, 27th, September 2017

Оригинал: Белинский А В, Клевцов А А «Нелокальный классический "реализм" и квантовая суперпозиция как отсутствие определённых значений физических величин до момента измерения» УФН 188 335–342 (2018); DOI: 10.3367/UFNr.2017.09.038210

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