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Thomas
@aviationdoctor.eth
I know some people are skeptical of Google’s Willow announcement (the editorial insertion of a reference to the computation happening in parallel universes didn’t help). But I can’t shake the feeling that we’ve witnessed the Chat GPT moment of quantum computing
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Nico
@nicom
I actually really liked the multiverse point. Because this is exactly what it is. Hard to understand but this is just exactly it.
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Thomas
@aviationdoctor.eth
The issue with it is that it’s not in the technical paper, only in the blog post, which appears to have been editorialized for sensationalism over accuracy. As much as I enjoy the multiverse interpretation, a more mundane one is that quantum computing taps into more dimensions of available compute than classical computers, but that doesn’t require infinitely many universes to coexist alongside ours, from which we somehow steal computing cycles
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Nico
@nicom
It's one of the quantum theory interpretation, the Everett's Many-Worlds interpretation. I like it and remember that all interpretations of this theory are interpretation, even the Copenhagen one. So I'm not sure we can say one is better than the other when both end to the same result (almost). And I like the multiverse idea so much. That's so elegant.
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Thomas
@aviationdoctor.eth
I was also referring to Everett’s theory (who himself argued against calling it an interpretation, but rather a theory in the scientific sense, i.e., an explanation consistent with observations). What I’m arguing comes from that Everett himself didn’t mention multiple worlds or universes in his original PhD paper. He merely stated that the wave function is real (independently from the observer) and doesn’t collapse into a single state, but instead the system branches into a product of relative states (relative here being how the states of subsystems are to each other). The description of infinitely many universes, each with a physical existence, and each very slightly different from each other in one product-of-relative-states way, is a narrative that was tacked onto Everett’s paper post-hoc by others. 1/2
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