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Physics
Quantum Physics
Quantum Interpretations and Foundations
Can Special Relativity Explain the Alice and Bob Spin Measurement Paradox?
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[QUOTE="kurt101, post: 6828213, member: 611935"] I think there is a simple classical explanation that preserves causality with the entanglement swapping experiment. The entanglement swapping experiment case where the BSM test is done after the measurements can be thought of as the inverse of the basic EPR experiment. In the basic EPR experiment (like Alain Aspect 1983) the two photons are in the same state when they are created at the SPDC and then the "action" that changes the photon states happens afterwards. In the entanglement swapping experiment, in the case where the BSM test is done after the measurements, you are doing the inverse; the "action" happens first when the measurements are done and then the BSM test happens after when you are looking for the condition where the photons are in the same (or perpendicular) state. In other words, with this explanation, it is the symmetry in the entanglement swapping experiment that tricks you into thinking that true entanglement swapping is happening in all cases, but it does not actually happen in the case where the BSM test is done last. [/QUOTE]
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Quantum Interpretations and Foundations
Can Special Relativity Explain the Alice and Bob Spin Measurement Paradox?
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