On 1/5/2025 5:02 PM, Russell Standish wrote:
On Sun, Jan 05, 2025 at 04:47:00PM -0800, Brent Meeker wrote:
What he fails to explain is how probabilities are realized in these worlds. As
Bruce pointed out, except for 50-50 cases the overwhelming number of worlds
find QM to be empirically falsified; so branch counting doesn't work. It
appears that the Born rule adds another axiom; it's not just the Schroedinger
equation.
Brent
Bruce's argument is too coarse. He is assuming that all worlds have
equal representation in the original experimental preparation, whereas
the preparation process can clearly set things up such that there is
90% up 10% down in the original sample, after which measurement is
performed.
That sounds like superdeterminism? In Bruce's example I understood the
beam was prepared 100/0 in one axis before being measured in another.
Brent
"Branch counting" can easily explain something like the
90/10 Stern Gerlach case.
Where things fail is explaining something like the violation of Bell's
inequality. I originally thought I had an answer to that, but after
surface from the rabbit hole of maths, I realised I had to think again
:).
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