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Bilocal versus non-bilocal correlations in entanglement swapping experiments
Cyril Branciard, Denis Rosset, Nicolas Gisin +1
Entanglement swapping is a process by which two initially independent quantum systems can become entangled and generate nonlocal correlations. To characterize such correlations, we…
The definition of multipartite nonlocality
Jean-Daniel Bancal, Jonathan Barrett, Nicolas Gisin +1
In a multipartite setting, it is possible to distinguish quantum states that are genuinely -way entangled from those that are separable with respect to some bipartition. Similar…
Security of practical private randomness generation
Stefano Pironio, Serge Massar
Measurements on entangled quantum systems necessarily yield outcomes that are intrinsically unpredictable if they violate a Bell inequality. This property can be used to generate c…
Quantum nonlocality based on finite-speed causal influences leads to superluminal signaling
Jean-Daniel Bancal, Stefano Pironio, Antonio Acin +3
The experimental violation of Bell inequalities using spacelike separated measurements precludes the explanation of quantum correlations through causal influences propagating at su…
Randomness vs Non Locality and Entanglement
Antonio Acin, Serge Massar, Stefano Pironio
According to quantum theory, the outcomes obtained by measuring an entangled state necessarily exhibit some randomness if they violate a Bell inequality. In particular, a maximal v…
Device-independent witnesses of genuine multipartite entanglement
Jean-Daniel Bancal, Nicolas Gisin, Yeong-Cherng Liang +1
We consider the problem of determining whether genuine multipartite entanglement was produced in an experiment, without relying on a characterization of the systems observed or of…