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.
Bruno
http://iridia.ulb.ac.be/~marchal/
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