Local hidden-variable theory: Difference between revisions

Revision as of 20:33, 17 November 2023

Revision as of 20:33, 17 November 2023

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In the [[Interpretations of quantum mechanics|interpretation of quantum mechanics]], a '''local hidden-variable theory''' is a [[hidden-variable theory]] that satisfies the [[principle of locality]]. These are models, usually [[Determinism|deterministic]], that attempt to account for the probabilistic features of [[quantum mechanics]] via the mechanism of underlying, but inaccessible variables, with the additional requirement that distant events be statistically independent.

The mathematical implications of a local hidden-variable theory inwith regardregards to the phenomenon of [[quantum entanglement]] were explored by physicist [[John Stewart Bell]], who in 1964 [[Bell's theorem|proved]] that broad classes of local hidden-variable theories cannot reproduce the correlations between measurement outcomes that quantum mechanics predicts., Laboratorya result since confirmed by a range of detailed [[Bell test|Bell tests]] have confirmed these resultsexperiments.

== Models ==