I Many-Worlds and Testable Claims

bzcle316
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Among the most well-known interpretations of Quantum Mechanics is that of the "Many Worlds," in which all possible outcomes of a measured quantum event occur simultaneously in some alternative universe. Now, I realize there is some manner of debate as to whether or not the different interpretations of quantum events are genuine scientific hypotheses, or simply some manner of personal philosophical interpretation, but I was curious about the specifics of this particular claim. Specifically, are there any kind of testable claims that this interpretation of quantum phenomena suggests that would allow scientists to try and determine if this (or any other interpretation) corresponds to physical reality?
 
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bzcle316 said:
are there any kind of testable claims that this interpretation of quantum phenomena suggests that would allow scientists to try and determine if this (or any other interpretation) corresponds to physical reality?
No interpretation of QM is testable over and above standard QM itself, because all QM interpretations make the same predictions as standard QM for all experiments. So there is no way to experimentally test one QM interpretation against another. That is why there is still no consensus about QM interpretations a century after QM was developed.
 
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I understand that the world of interpretations of quantum mechanics is very complex, as experimental data hasn't completely falsified the main deterministic interpretations (such as Everett), vs non-deterministc ones, however, I read in online sources that Objective Collapse theories are being increasingly challenged. Does this mean that deterministic interpretations are more likely to be true? I always understood that the "collapse" or "measurement problem" was how we phrased the fact that...
I keep reading throughout this forum from many members that the general motivation for finding a deeper explanation within QM, specifically with regards to quantum entanglement, is due to an inability to grasp reality based off of classical intuitions. On the other hand, if QM was truly incomplete, and there was a deeper explanation that we haven't grasped yet that would explain why particles tend to be correlated to each other seemingly instantly despite vast separated distances, then that...
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