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Answer by Mark Spinelli for Is back in time (classical) information transfer...
Any scheme of back-in-time information transfer based on entangled particles runs up against the no-signalling theorem. Initially it's not clear how you conclude that "they do not need to compare their...
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Delayed choice entanglement swapping.Two pairs of entangled photons are produced, and one photon from each pair is sent to a party called Victor. Of the two remaining photons, one photon is sent to the...
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