On 11 Nov 2014, at 05:48, meekerdb wrote:
On 11/10/2014 8:41 PM, Bruce Kellett wrote:
Richard Ruquist wrote:
Bruce,
I questioned Bruno's statement that MWI universe splitting
proceeds at the speed of light on the basis of EPR experiments
which seem to suggest that the splitting proceeds faster than the
speed of light. Could you comment on this? I was unable to
understand Bruno's response.
I often find Bruno's responses opaque, to say the least. I didn't
really understand it either. But I think this might be a point of
dispute in MW circles. If you really do take the wave function to
be the only reality, then that is an intrinsically non-local
object, so splitting is instantaneous everywhere (local in
configuration space!) The trouble with splitting expanding at the
speed of light seems to me that this makes it a dynamical process,
and there are no Schroedinger dynamics for this.
Decoherence is a dynamic process and presumably spreads at SoL.
Exactly.
Bruno
Brent
After all, the Bell correlations are observed at space-like
separations, suggesting an instantaneous effect.
Bruce
Richard
On Mon, Nov 10, 2014 at 11:01 PM, Bruce Kellett <[email protected]
<mailto:[email protected]>> wrote:
Bruno Marchal wrote:
On 08 Nov 2014, at 19:43, John Clark wrote:
On Sat, Nov 1, 2014 at 6:55 PM, Bruce Kellett
<[email protected]
<mailto:[email protected]>
<mailto:bhkellett@optusnet.__com.au
<mailto:[email protected]>>> wrote:
> MWI struggles to explain the violations of Bell's
inequality.
The Many world's interpretation easily explains the
violation of Bell's inequality;
I think Bruce was saying that the MW struggles to explain the
Bell's inequality in a local way.
I disagree with Bruce, in the sense that I take QM, that is
the
verifiable interference of all terms of the waves, as a strng
evidence that what is real is the configuration space (at
least
in the first approximations). Then the universal wave (meaning
by this the wave describing both the physicists and the
particles observed) explains the Bell's inequality
verification
in the (first person plural) diaries of the persons involved
in
an Aspect-like experience on entangled qubit.
That reminds me of what Norm Levitt (sadly no longer with us) used
to say. Brent will remember this. Norm was a great fan of Bohmian
mechanics and he always said that people get all het up about
non-locality -- het up over nothing, in his opinion. Everything is
local in configuration space, so why the fuss?
Bruce
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