On 31 Dec 2013, at 21:52, meekerdb wrote:

On 12/31/2013 1:51 AM, Bruno Marchal wrote:
A entire parallel universe as big as our own that you can never go to or even see is about as far from being local as you can get.

Differentiation/splitting of "universes" is a local phenomenon. It is not instantaneous at all.

In an EPR experiment if you imagine a forward light cone of entanglement issuing from Alice and another from Bob those are STL effects (aka local), but where the light cones start to overlap it is observed that there is more correlation than can be accounted for by a local variables at the EPR source.

In *one* world, not in the multiverse. See the not to bad explanation in well Everett original papers, or in Steve Price Everett FAQ.

That's sort of the definition of "influence".

I don't see any FTL influence.

So the split into different quasi-classical worlds didn't just start from Alice or from Bob, they had to split in a a correlated way.

I don't think so at all. We don't need any FTL influence in each branches of any wave, written in any base, describing the quantum teleportation. An FTL is needed if we believe that some branch can disappear. If no branch disappear, we have the right partition, and in each (4) branches, the two supplementary classical bits that Alice send classically only informed Bob about his place in the multiverse.



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