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Reply to Comment on "Contextuality in bosonic bunching"

Paweł Kurzyński, Akihito Soeda, Jayne E. Thompson +1 more

This is a reply to arXiv:1409.7513 [Phys. Rev. Lett. 113, 138901 (2014)].

arXiv:1409.8025Sep 29, 20140 citations

Comment on: Testing the speed of 'spooky action at a distance'

Johannes Kofler, Rupert Ursin, Brukner, Caslav +1 more

In a recent experiment, Salart et al. addressed the important issues of the speed of hypothetical communication and of reference frames in Bell-type experiments. The authors report that they "performed a Bell experiment using entangled photons" and conclude from their experimental results that "to maintain an explanation based on spooky action at a distance we would have to assume that the spooky action propagates at speeds even greater than the bounds obtained in our experiment", exceeding the speed of light by orders of magnitude. Here we show that, analyzing the experimental procedure, explanations with subluminal or even no communication at all exist for the experiment.In a recent experiment, Salart et al. addressed the important issues of the speed of hypothetical communication and of reference frames in Bell-type experiments. The authors report that they "performed a Bell experiment using entangled photons" and conclude from their experimental results that "to maintain an explanation based on spooky action at a distance we would have to assume that the spooky action propagates at speeds even greater than the bounds obtained in our experiment", exceeding the speed of light by orders of magnitude. Here we show that, analyzing the experimental procedure, explanations with subluminal or even no communication at all exist for the experiment.

arXiv:0810.4452Oct 24, 20080 citations

On Spooky Action at a Distance and Conditional Probabilities

Henryk Gzyl

Jan 1, 20260 citations

Comment on: Testing the speed of the spooky action at a distance in a tabletop experiment. [Sci Rep 13, 8201 (2023)]

Bruno Cocciaro, S. Faetti, Leone Fronzoni

In 1989, Eberhard proposed a v-causal model where quantum correlations between entangled particles are established by communications moving at a superluminal speed v_t > c in a preferred frame. In successive years, several experiments established lower bounds for the possible tachyons velocities. In a recent paper, Luigi Santamaria Amato et al. performed an interesting east-west aligned tabletop experiment under the assumption that the preferred frame is the Cosmic Microwave Background (CMB). In that paper, they criticize long-distance experiments but here we show that most of their criticisms are not applicable to long-distance tunnel experiments where the highest lower bound was obtained.In 1989, Eberhard proposed a v-causal model where quantum correlations between entangled particles are established by communications moving at a superluminal speed v_t > c in a preferred frame. In successive years, several experiments established lower bounds for the possible tachyons velocities. In a recent paper, Luigi Santamaria Amato et al. performed an interesting east-west aligned tabletop experiment under the assumption that the preferred frame is the Cosmic Microwave Background (CMB). In that paper, they criticize long-distance experiments but here we show that most of their criticisms are not applicable to long-distance tunnel experiments where the highest lower bound was obtained.

arXiv:2405.05869May 9, 20240 citations

Spooky action-at-a-distance in general probabilistic theories

Giacomo Mauro D’Ariano, Franco Manessi, Paolo Perinotti

arXiv:1108.3681Physics Letters AAug 8, 20125 citations

Testing the speed of ‘spooky action at a distance’

D. Salart, A. Baas, Cyril Branciard +2 more

arXiv:0808.3316NatureAug 1, 2008318 citations

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Reply to the "Comment on: Testing the speed of 'spooky action at a distance' "

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