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Testing a Bell inequality in multi-pair scenarios
Jean-Daniel Bancal, Cyril Branciard, Nicolas Brunner +3
To date, most efforts to demonstrate quantum nonlocality have concentrated on systems of two (or very few) particles. It is however difficult in many experiments to address individ…
Reply to the "Comment on: Testing the speed of 'spooky action at a distance' "
D. Salart, A. Baas, C. Branciard +2
This is the reply to the comment arXiv:0810.4452 by Kofler, Ursin, Brukner, and Zeilinger.
Testing spooky action at a distance
D. Salart, A. Baas, C. Branciard +2
In science, one observes correlations and invents theoretical models that describe them. In all sciences, besides quantum physics, all correlations are described by either of two m…
Can one see entanglement ?
Nicolas Brunner, Cyril Branciard, Nicolas Gisin
The human eye can detect optical signals containing only a few photons. We investigate the possibility to demonstrate entanglement with such biological detectors. While one person…
Testing quantum correlations versus single-particle properties within Leggett's model and beyond
Cyril Branciard, Nicolas Brunner, Nicolas Gisin +4
Quantum theory predicts and experiments confirm that nature can produce correlations between distant events that are nonlocal in the sense of violating a Bell inequality. Neverthel…