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Eberhardt's inequality and recent loophole-free experiments | | Alejandro Hnilo
; | | Date: |
14 Jul 2016 | | Abstract: | Recent experiments using innovative optical detectors and techniques have
strongly increased the capacity of testing the violation of the Bell’s
inequalities in the Nature. Most of them have used the Eberhardt’s inequality
(EI) to close the "detection" loophole. Closing the "locality" loophole has
been attempted by space-like separated detections and fast and random changes
in the setting of the bases of observation. Also, pulsed pumping and time
stamped data to close the "time-coincidence" loophole, and sophisticated
statistical methods to close the "memory" loophole, have been used. In this
paper, the meaning of the EI is reviewed. A simple hidden-variables theory
based on a relaxation of the condition of "measurement independence", which was
devised long ago for the Clauser-Horne-Shimony and Holt inequality, is adapted
to the EI case. It is used here to evaluate the significance of the results of
the new experiments, which are briefly described. A Table summarizes the main
results. | | Source: | arXiv, 1607.4177 | | Services: | Forum | Review | PDF | Favorites | |
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