Parallel universe theory in quantum mechanics

FrumiousBandersnatch said:

Yes, this is beginning to make some collapse interpretations look less likely, but there's still a long way to go. I suspect diminishing returns in the difficulty of producing and observing massive superpositions will set in well before it casts serious doubt on spontaneous collapse, which has been suggested to occur at around 100 million years per particle.

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Halbhh said:

More on trying to get at what is going on in the 'observer'/reality/collapse question --

https://phys.org/news/2019-11-quantum-physics-reality-doesnt.html

Quantum Bayesianism - Wikipedia

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