On Saturday, July 6, 2019 at 6:04:18 PM UTC-5, Philip Thrift wrote: > > > > *In conclusion, we have demonstrated quantum entanglement between two > photons that do not share coexistence. Although one photon is measured even > before the other is created, full quantum correlations were observed **by > measuring the density matrix of the two photons, conditioned on the result > of the projecting measurement.* > > A demonstration of retrocausation (retrodependency). > > @philipthrift >
NO!! That violates Bell's inequalities and this measurement was done with the stats that violate Bell's inequalities. LC > > On Saturday, July 6, 2019 at 5:17:07 PM UTC-5, Lawrence Crowell wrote: >> >> This is interesting, where photons that existed at different times can be >> entangled. >> >> https://arxiv.org/pdf/1209.4191.pdf >> >> Entanglement Between Photons that have Never Coexisted >> >> E. Megidish, A. Halevy, T. Shacham, T. Dvir, L. Dovrat, and H. S. >> Eisenberg >> >> Racah Institute of Physics, Hebrew University of Jerusalem, Jerusalem >> 91904, Israel >> >> The role of the timing and order of quantum measurements is not just a >> fundamental question of quantum mechanics, but also a puzzling one. Any >> part of a quantum system that has finished evolving, can be measured >> immediately or saved for later, without affecting the final results, >> regardless of the continued evolution of the rest of the system. In >> addition, the non-locality of quantum mechanics, as manifested by >> entanglement, does not apply only to particles with spatial separation, but >> also with temporal separation. Here we demonstrate these principles by >> generating and fully characterizing an entangled pair of photons that never >> coexisted. Using entanglement swapping between two temporally separated >> photon pairs we entangle one photon from the first pair with another photon >> from the second pair. The first photon was detected even before the other >> was created. The observed quantum correlations manifest the non-locality of >> quantum mechanics in spacetime. >> > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/24516145-2c50-4dd3-8d65-33dee9c7af87%40googlegroups.com.
