On 10/25/2022 3:00 PM, John Clark wrote:
On Tue, Oct 25, 2022 at 5:31 PM Bruce Kellett <bhkellet...@gmail.com>
wrote:
/> One of the main troubles with this is that the Copenhagen
Interpretation, insofar as there is any such thing, does not
entail that the wave function collapses when the result enters
consciousness. This was a mad idea put forward by Wigner, and it
was soon realized that the idea was just silly, and could never
work. So that idea has long been abandoned. Deutsch's attempted
proof involves comparison with an abandoned idea of quantum
mechanics, so it doesn't really prove anything. Besides, the whole
set-up involves assumptions about quantum computers and
consciousness that are far from obvious, and probably not even
correct./
OK, so forget about consciousness, the fact remains that If you see
interference bands on Deutsch's photographic plate then that would
prove a universe can split
No it doesn't. The would be no evidence that the universe split.
Interference implies that the every particle went thru both slits and
interfered with itself...not at all surprising once you adopt quantum
field theory in which particles are just field quanta.
Brent
and, provided the difference between them is very small, can under the
right conditions become identical again and thus merge back together.
That is the key part of the multiverse ideaand if it's true then there
is no need to indulge in the mumbo-jumbo of Copenhagen quantum
complementarity.
So if the experiment was actually performed, what is your guess
would happen, what would you place your money on, would there be
interference bands on that photographic plate or would there not be?
My guess is that you would see interference bands, I would not bet my
life on it or even my house, but I would be willing to bet a week's
salary.
John K Clark See what's on my new list at Extropolis
<https://groups.google.com/g/extropolis>
73v
74c
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