Some experimental covariance curve for entangled photons gives abs(Cov(0)) less than 1.(adsbygoogle = window.adsbygoogle || []).push({});

For example : Violation of Bell inequalities by photons more than 10km apart by Gisin's group in Geneva.

Does this mean that experimentally we cant predict with certainty in this case ?

In order to explain that curve I made a quantum calculation that leads to Cov(theta) equals -7/8*cos(theta) but i find it a bit weird and dont know if i can put it in this forum.

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# Experimental covariance curve

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