Experiments made in Geneve show that local hidden variables theories are
wrong (the s.c. Bellšs inequalities violation).
The dynamics of entangled photons A and B is very strange indeed, even at
many kilometers from the (photons) common source.
When the photon A reaches the (Franson type) interferometer P and chooses
the path Z, the other photon B reaches the (Franson type) interferometer Q
(many kilometers far from P) and chooses (he too) the path Z.
This strange correlation (second order interference) is called nonlocality
and, sometimes, quantum nonseparability. Superluminal actions at distance or
spooky waves are not, of course, dectected.
Experiments at Geneve
http://xxx.sissa.it/abs/quant-ph/9809025
http://xxx.sissa.it/abs/quant-ph/9707042
http://xxx.sissa.it/abs/quant-ph/9703023
Experiments in Austria
http://xxx.sissa.it/abs/quant-ph/9810080
Experiments (and philosophy) at Berkeley
http://xxx.sissa.it/abs/quant-ph/9501016
http://xxx.sissa.it/abs/quant-ph/9807042
http://xxx.sissa.it/abs/quant-ph/9810031
scerir (Rome)
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