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Analysis of the Christensen et al. Test of Local Realism

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The recent Clauser-Horne (CH)-based Einstein-Podolsky-Rosen-Bohm (EPRB) experiment performed by Christensen et al. is analyzed. The data analysis performed by Christensen et al. is shown to rely upon postselection (data discarding) that produces an artifactual violation of the CH inequality. A corrected analysis that properly includes all of the experimental data is developed, showing that the Christensen et al. experiment confirms locality and disconfirms the quantum joint prediction. To establish a firm methodological ground for this conclusion, objections to the use of inequalities to address foundational issues are considered and shown to be invalid. The CH inequality is considered and interpreted in this light. It is shown that, applied correctly, the CH inequality can validly test aspects of locality. The paper also contributes to promulgation of robust and correct data analysis by describing the important degrees of freedom that affect the analysis, and that must be addressed in the analysis of any experiment.
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Keywords: CLAUSER-HORNE (CH) INEQUALITY; ENTANGLEMENT; EPR PARADOX; LOCAL REALISM; LOCALITY; QUANTUM CORRELATIONS; QUANTUM NONLOCALITY

Document Type: Research Article

Publication date: 01 September 2015

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  • Journal of Advanced Physics is an interdisciplinary peer-reviewed journal consolidating research activities in all experimental and theoretical aspects of advanced physics. The journal aims in publishing articles of novel and frontier physics that merit the attention and interest of the whole physics community. JAP publishes review articles, full research articles, short communications of important new scientific and technological findings in all latest research aspects of physics.
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