Undergrad Many Worlds Interpretation and Coffee

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The discussion revolves around the implications of the Many Worlds Interpretation (MWI) of quantum mechanics, particularly regarding the nature of possibilities and free will. Participants debate whether all possible outcomes, including everyone having coffee together, are continuously occurring or if only certain scenarios manifest at any given time. There is skepticism about the inclusion of free will within the framework of MWI, with concerns that limiting factors, such as the ability of certain individuals to participate, challenge the concept of infinite possibilities. The conversation also touches on the philosophical implications of defining "possible" outcomes, suggesting that not all conceivable scenarios are likely to occur. Ultimately, the dialogue highlights the complexities and paradoxes inherent in interpreting quantum mechanics through the lens of the Many Worlds Interpretation.
  • #61
vanhees71 said:
Well, then Bohr definitely wrote only about true things. :biggrin:
Except the Bohr model of atom (with the so called "old QM"), which is clear but not true.
 
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  • #62
Demystifier said:
What if I tell you that I have a theory that solves all these questions at once? :wink:
Oh sure, butter me up with something I won't be able to follow. I'm holding out for comprehension.
OK. let's see it, maybe it will work as a soporific.
 
  • #63
Demystifier said:
Is it just because of the existence of atoms, or because you don't think that the axiom of choice represents a physical choice?
I tend to view physics as finite, in the sense that any experiment only has a finite number of outcomes. The mathematics and theoretical physics extrapolates this to countable and uncountable infinities. A classical example is modelling a body as a continuous mass distribution, even though the physics is a large, finite number of particles.

In QM you can practically only carry out a finite number of measurements, so there is always a mathematical extrapolation to a continuous wave function defined on an uncountable set of points.

The extent to which the underlying reality is infinite is perhaps unknowable, as we will only ever have a finite set of data.

In particular, I can't see that the axiom of choice would be relevant in a physical situation.
 
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