On 09 May 2013, at 18:08, meekerdb wrote:
On 5/9/2013 1:44 AM, Bruno Marchal wrote:
I don't think that requires a wave function collapse, it's
explained by Everett's MWI also, which is a kind of non-local
hidden variable.
Why non local? There is nothing non local in Everett's MWI.
Sure it is. When you take the trace of the density matrix over the
environment to get a set of orthogonal subspaces that's a non-local,
mathematical operation.
Local is about physical reality, not mathematical operation. The wave
describing the physical (physicists included) evolves
deterministically and locally. Non locality is in the (mathematical)
appearances.
Bruno
Brent
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