On 8/6/2019 1:23 PM, Jason Resch wrote:
On Tue, Aug 6, 2019 at 1:00 PM 'Brent Meeker' via Everything List <[email protected] <mailto:[email protected]>> wrote:On 8/6/2019 6:38 AM, Bruno Marchal wrote:If the QC does its task effectively, the output basis qbits will be put into definite states,Relatively to the observer, but in the global state, the observer will inherit the superposition state, by linearity of the tensor products and of the evolution.In something like Shor's algorithm there is only one final state with non-vanishing probability. Yet this is the kind of algorithm that Deutsch cites as proving there must be many worlds.If you trace the causality of the computation backwards, is that not the implication? (Short of the final answer materializing out of no where for no reason)
Haven't you read the exchange between Bruce and Bruno. There's only only Hilbert space in which the computation happens. The fact that it has many dimensions doesn't make it many worlds.
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