Volume 62, Number 2, April 2003
|Page(s)||154 - 160|
|Published online||01 April 2003|
Some remarks on Bell's inequality tests
Dipartimento di Ingegneria, Università del
Sannio, Palazzo Bosco Lucarelli Corso Garibaldi 107, I-82100 Benevento, Italy
2 INFN, Sezione di Napoli, Gruppo Collegato di Salerno, Italy
3 DSGA, Università del Sannio - Via Port'Arsa 11, I-82100 Benevento, Italy
4 INFM, Unità di Salerno, Italy
Accepted: 10 February 2003
We emphasize the difficulties of an experiment that can definitely discriminate between local realistic hidden-variables theories and quantum mechanics using the Bell CHSH inequalities and a real measurement apparatus. In particular, we analyze some examples in which the noise in real instruments can alter the experimental results, and the nontrivial problem to find a real “fair sample” of particles to test the inequalities.
PACS: 03.65.Ud – Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)
© EDP Sciences, 2003
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