EPSA11 Perspectives and Foundational Problems in Philosophy of Science

Karakostas, Vassilios; Dieks, Dennis

doi:10.1007/978-3-319-01306-0

Cited by 2 publications

References 247 publications

(339 reference statements)

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Bell on Bell's Theorem: The Changing Face of Nonlocality

Brown

Timpson

2016

Quantum Nonlocality and Reality

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Between 1964 and 1990, the notion of nonlocality in Bell's papers underwent a profound change as his nonlocality theorem gradually became detached from quantum mechanics, and referred to wider probabilistic theories involving correlations between separated beables. The proposition that standard quantum mechanics is itself nonlocal (more precisely, that it violates 'local causality') became divorced from the Bell theorem per se from 1976 on, although this important point is widely overlooked in the literature. In 1990, the year of his death, Bell would express serious misgivings about the mathematical form of the local causality condition, and leave ill-defined the issue of the consistency between special relativity and violation of the Bell-type inequality. In our view, the significance of the Bell theorem, both in its deterministic and stochastic forms, can only be fully understood by taking into account the fact that a fully Lorentzcovariant version of quantum theory, free of action-at-a-distance, can be articulated in the Everett interpretation. * harvey.brown@philosophy.ox.ac.uk

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Bell on Bell's Theorem: The Changing Face of Nonlocality

Brown

Timpson

2016

Quantum Nonlocality and Reality

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Measurement, Interpretation and Information

Lombardi

Fortín

López

2015

Entropy

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During many years since the birth of quantum mechanics, instrumentalist interpretations prevailed: the meaning of the theory was expressed in terms of measurements results. However, in the last decades, several attempts to interpret it from a realist viewpoint have been proposed. Among them, modal interpretations supply a realist non-collapse account, according to which the system always has definite properties and the quantum state represents possibilities, not actualities. But the traditional modal interpretations faced some conceptual problems when addressing imperfect measurements. The modal-Hamiltonian interpretation, on the contrary, proved to be able to supply an adequate account of the measurement problem, both in its ideal and its non-ideal versions. Moreover, in the non-ideal case, it gives a precise criterion to distinguish between reliable and non-reliable measurements. Nevertheless, that criterion depends on the particular state of the measured system, and this might be considered as a shortcoming of the proposal. In fact, one could ask for a criterion of reliability that does not depend on the features of what is measured but only on the properties of the measurement device. The aim of this article is precisely to supply such a criterion: we will adopt an informational perspective for this purpose.

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EPSA11 Perspectives and Foundational Problems in Philosophy of Science

Cited by 2 publications

References 247 publications

Bell on Bell's Theorem: The Changing Face of Nonlocality

Bell on Bell's Theorem: The Changing Face of Nonlocality

Measurement, Interpretation and Information

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