How valid is the indivisible interpretation of quantum mechanics?

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SUMMARY

The indivisible stochastic process interpretation of quantum mechanics, proposed by Jacob Barandes, replaces wavefunction realism with stochastic trajectories in state space, rejecting the wavefunction as a physically real entity. This interpretation is mathematically consistent with standard QM but its trajectories lack "causal power," distinguishing it from Bohmian mechanics where trajectories influence outcomes. All quantum interpretations, including Barandes', make identical experimental predictions, rendering their validity a matter of philosophical preference rather than empirical testability. Discussions also referenced the Montevideo interpretation, which introduces quantum gravitational time concepts and claims to address the measurement problem, but it remains controversial and mathematically complex.

PREREQUISITES

  • Quantum Mechanics (standard formalism and wavefunction concepts)
  • Interpretations of Quantum Mechanics (e.g., Bohmian mechanics, modal interpretations)
  • Stochastic Processes in Quantum Theory
  • Quantum Measurement Problem and Decoherence Theory

NEXT STEPS

  • Study Jacob Barandes' papers on the indivisible stochastic process interpretation (e.g., arXiv:2602.09397)
  • Explore Bohmian mechanics and its treatment of causal trajectories
  • Research the Montevideo interpretation and its quantum gravitational approach to time
  • Examine the ψ-ontic vs. ψ-epistemic debate in quantum foundations

USEFUL FOR

Quantum physicists, researchers in quantum foundations, philosophers of physics, and advanced students interested in alternative quantum interpretations, stochastic quantum models, and the conceptual challenges of quantum measurement and realism.

  • #61
Morbert said:
What concern do you have with entanglement and this correspondence?
Barandés' interpretation does not offer the local explanation that we would so much like for any form of entanglement. (Sarcasm mode on)
 
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  • #62
javisot said:
Barandés' interpretation does not offer the local explanation that we would so much like for any form of entanglement. (Sarcasm mode on)
More like Barandes interpretation does not want to define its properties in terms of usual entanglement terminology. I still don’t know if it super deterministic, hidden variables non local or something else (à la MWI). He wants to define it under Barandes made-up terms, by which nonlocality does not even exist to begin with.
 
  • #63
I think at the heart of Barandes proposal and insight (and I fully agree with him even if there are missing pieces of his puzzle) is that Bell's definition and use of locality is not useful to understand natures causal interconnections! It is rather a reciepe for confusion to insist analysing things in those terms. This is why he introduces something he think is better - causal locality.

Of course to those that don't like Barandes ideas, this sounds like a way to just "reinvent established terms" and cause more confusion. But I think that is not the case. I think he he serious that analysing things using bells definitions is a problem, because the tools and paradigms we use to map things out, may cause artifacts, that are not artifacts of nature but from us trying to find explanations with the wrong ansatz, so that the missing pieces noone denies, ends up in the most akward positions.

/Fredrik
 

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