On Sun, 19 Nov 2017 at 8:35 am, Bruce Kellett <[email protected]> wrote:
> On 19/11/2017 12:15 am, Stathis Papaioannou wrote: > > On Sat, 18 Nov 2017 at 9:11 am, Bruce Kellett < > <[email protected]>[email protected]> wrote: > >> >> And exactly what is it that you claim has not been proved in MW theory? >> Bell's theorem applies there too: it has never been proved that it does >> not. Bell was no fool: he did not like MWI, but if that provided an escape >> from his theorem, he would have addressed the issue. The fact that he did >> not suggests strongly that you do not have a case. >> > > Bell’s theory applies in the sense that the experimental results would be > the same in MWI, but the FTL weirdness is eliminated. This is because in > MWI the experimenter can’t prepare a random state, > > > What do you mean by this? Are you claiming that there are no free > variables in MWI? Some form of superdeterminism? > Yes. But for Bell-type experiments in MWI, or elsewhere, one does not have to > prepare a random state -- one just prepares a singlet state consisting of > two entangled particles. Nothing random about it. > Then one makes a measurement, the outcome of which is uncertain until it is done, but - surprisingly - the distal particle seems to “know” about it instantaneously. In the MWI there is no uncertainty about the measurement in the multiverse as a whole, although there is uncertainty from the point of view of individual observers, because they do not know in which branch they will end up in. Bell actually thought that Bohm's deterministic, though non-local, theory > was a better bet. But you have not addressed my counterexample to your > contention that MWI eliminates non-locality. The time-like measurement of > the two entangled particles clearly requires non-locality in order to > conserve angular momentum. > There is no question of the distal entangled particle instantaneously reacting to a measurement of the proximal particle to conserve angular momentum, because the outcome of the measurement was already fixed. > -- Stathis Papaioannou -- 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 post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
