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 everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/24516145-2c50-4dd3-8d65-33dee9c7af87%40googlegroups.com.
