Trouble for physical collapse models?

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Discussion Overview

The discussion centers on the viability of physical collapse models in quantum mechanics, particularly in light of recent experimental findings that challenge these theories. Participants explore the implications of these findings for the understanding of quantum phenomena.

Discussion Character

  • Debate/contested, Exploratory, Technical explanation

Main Points Raised

  • Some participants reference an article suggesting that recent experiments may undermine physical collapse theories, with one participant expressing a strong belief that the models are nearing untenability.
  • Others propose that, similar to supersymmetry, physical collapse models might still be adjusted or made more complex to avoid being ruled out by current experiments.
  • A question is raised regarding whether measuring a collapse model leads to the collapse of the model itself, indicating a potential paradox or conceptual challenge.

Areas of Agreement / Disagreement

Participants express differing views on the implications of recent experiments for physical collapse models, with some asserting a definitive challenge to the models while others suggest that adjustments can keep the models viable. The discussion remains unresolved regarding the fate of these theories.

Contextual Notes

The discussion highlights the complexity of interpreting experimental results in relation to theoretical models, with participants acknowledging the potential for parameter adjustments and the implications of measurement on model validity.

atyy
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https://www.quantamagazine.org/physics-experiments-spell-doom-for-quantum-collapse-theory-20221020/
Experiments Spell Doom for Decades-Old Explanation of Quantum Weirdness
Physical-collapse theories have long offered a natural solution to the central mystery of the quantum world. But a series of increasingly precise experiments are making them untenable.
Philip Ball

On Twitter, he writes "Personally I think recent experiments have indeed pretty much spelt doom for physical collapse models. They were always a long shot, and I applaud that they are testable - but the writing is on the wall."
 
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It's like supersymmetry, you can always adjust some parameters to bigger/smaller values, or construct a more complicated model, so that the general idea is not ruled out by the last experiments.
 
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Does this mean that when you measure a collapse model, the model itself collapses?
 
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PeroK said:
Does this mean that when you measure a collapse model, the model itself collapses?
I read the same article and came looking!
 
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