Does QM end Free Will/ Determinism debate ?

Van Dort
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Hello :smile:

I think my question is clear...
Another questions that need to be asked:
  • What about the deterministic interpretations of QM?
    and
  • Do indeterministic interpretations PROVE that there is really no causality on subatomic level ?
Please help me! I am more than a little confused about the meaning of this concepts. :confused:

Thanks :-p
 
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Van Dort said:
I think my question is clear...
I'm afraid it's not. :frown:
 
Demystifier said:
I'm afraid it's not. :frown:

Hi
Check this out please


https://www.youtube.com/watch?v=http://www.youtube.com/watch?v=lFLR5vNKiSw
 
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Quantum physics does not make the universe purely random as quantum effects become probabilistic on the macro scale (thus is my understanding).

As for the determinism/free will debate I rarely hear anyone adequately explain what they mean by "free will". The three schools I thought I've learned of are determinism, compatabilism and libertarianism (not to be confused with the political/economic philosophy). The first of these states that all actions are pre-determined so free-will does not exist, the latter claims that something unique about conscious decision making means that cause and effect do not apply to it (a religious claim if there ever was one). The middle philosophy which I subscribe to highlights that even though some actions may be inevitable (or probable) we still have experience and knowledge of decision making and so they are useful terms that we can utilise.
 
Van Dort said:
Hello :smile:

I think my question is clear...
Another questions that need to be asked:
  • What about the deterministic interpretations of QM?
    and
  • Do indeterministic interpretations PROVE that there is really no causality on subatomic level ?
Please help me! I am more than a little confused about the meaning of this concepts. :confused:

Thanks :-p

Welcome to PhysicsForums, Van Dort!

The debate is far from over, for a variety of reasons. First, there are viable determininstic and indeterministic interpretations currently on the table. Second, I doubt that eliminating one or the other will fully settle anything. There is a lot of room for philosophical discussion of what free will is anyway. Ditto for causality.
 
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!

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