A classical model of EPR experiment with quantum mechanical correlations and bell inequalities

A. O. Barut, P. Meystre

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

A simple model of a classical break-up process is given in which the correlation E(a,b) of the components A and B of the spins of the two subsystems along directions a and b gives precisely the quantum mechanical result -cos(a·b). The model is "local", but the normalization procedure of correlation functions in terms of "hidden variables" is different from that used in deriving Bell's inequalities. A discretization procedure of the classical spins is then given which reproduces fully the dichotomous quantum mechanical results both for probabilities and for correlation functions. This procedure illustrates particularly clearly the difference between quantum and classical spins and provides a possible intuitive picture for the notion of the "reduction of the wave function".

Original languageEnglish (US)
Pages (from-to)458-462
Number of pages5
JournalPhysics Letters A
Volume105
Issue number9
DOIs
StatePublished - Nov 12 1984
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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