From: *Brent Meeker* <meeke...@verizon.net <mailto:meeke...@verizon.net>>
On 8/2/2018 1:53 AM, Bruno Marchal wrote:
On 1 Aug 2018, at 21:12, Brent Meeker <meeke...@verizon.net
<mailto:meeke...@verizon.net>> wrote:
Indeed. But the common-cause explanation doesn't work for all
choices of measurement angle.
It does. Well, it does not if you assume only one Bob and Alice, but
the whole point is that it does if you take into account all Alices
and Bobs in the multiverse.
Maybe you are not explaining your theory explicitly. Aren't you
assuming that there is a multiverse (essentially infinite) of Alices
and Bobs /*before*/ this experiment; */not/* just the few cases that
arise from the different experimental results. In this plethora of
universes there are many Alices measuring along 0deg and many Bobs
measuring along 27.5deg. That's how you get statistics...from this
ensemble.
Something like that may be what is in Bruno's mind. But that clearly
doesn't work either, because then we would have infinite numbers of
unmatched Alice's and Bob's, and a major problem with non-local
influences between disjoint universes in order to match any pair up. I
think one can rule any such idea out very much more simply by just
following the particles from a single entangled state to the respective
experimenters. The statistics must work for such single-world pairs, so
the invocation of infinite numbers of this or that is not actually going
to help.
Bruce
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