Sabine Hossenfelder
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From one piece Quantum Confusions, Cleared Up (or so I hope) 4 beliefs, in the piece's order there
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korrents.com
The collapse postulate cannot simply be discarded without replacement instructions for measurements.Their words
As we just saw, one cannot just discard the Collapse Postulate. For this reason, if one does calculations in any Many Worlds approach, one must effectively replace the Collapse Postulate by other assumptions, notably about what happens to observers and/or measurement devices when worlds branch.
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korrents.com
Decoherence has not yet satisfactorily solved the measurement problem and does not restore local causality.Their words
while decoherence has the potential to solve this aspect of the measurement problem, it hasn't yet been satisfactorily done. Decoherence also certainly does not return us to Local Causality.
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korrents.com
Violations of Bell inequalities reveal only properties of models, not of nature itself.Their words
Since Local Causality is a property of a model, observing violations of Bell's inequality cannot tell us anything about nature itself, but merely about the properties of the model that we use to describe nature.
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Their words
The Copenhagen Model-and because of that, the Copenhagen Interpretation-is not locally causal in Bell's sense.
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Nothing matches.
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