On 2/22/2025 1:38 PM, John Clark wrote:
On Sat, Feb 22, 2025 at 3:00 PM Brent Meeker <meekerbr...@gmail.com>
wrote:
>> On 2/21/2025 11:03 PM, Quentin Anciaux wrote:
If amplitude plays no role in observer distribution, then why
does the Born rule hold?
/> The squared amplitude determines the relative frequency of
results in repeated trials. /
*That doesn't answer Quentin's question. *
His question implied that the Born rule was realized by having different
numbers of observers in different branches. I answered that it's not
different numbers of observers but different proportions of results in
repeated trials. So it's just as much an answer as his, except it's
operational: we can count and record the result sequences...but the
number of observers is indeterminate.
*You're just repeating the definition of the Born Rule, and everyone
agrees it works, but some of us would like to know WHY it works and
WHY it's even necessary given the fact that Schrodinger's equation is
deterministic *
Well if you don't think it's "necessary" I invite you to try doing QM
without it. As I've pointed out several times, science can only answer
"why" questions if there is some more fundamental theory on which to
base the answer. Every scientist wants to know why. But just taking
Schroedinger's equation as the basis is not sufficient. So it clashes
with the MWI mantra of "Just the Schroedinger equation". Given that the
Schroedinger equation doesn't logically imply the Born rule, the next
simplest is just to add the Born rule as an axiom of the theory.
What is not valid is to just assert the Born rule must derive from the
Schoredinger equation somehow, without spelling out the derivation.
*but others, such as yourself, are content to just shut up and
calculate. To each their own.
*
Don't tell me what I'm content with.
Brent
**
*John K Clark See what's on my new list at Extropolis
<https://groups.google.com/g/extropolis>*
csu
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