On Fri, Aug 2, 2019 at 1:25 PM 'Brent Meeker' via Everything List < [email protected]> wrote:
> > > On 8/2/2019 10:42 AM, Jason Resch wrote: > > Quantum computers work by interference of quits, and such interference can >>>> only take place in one world -- different worlds are orthogonal. The fact >>>> that one can analyse a quantum computer in a particular basis which can be >>>> represented as a series of parallel computations does not mean that this is >>>> actually what happens. Heuristic constructs seldom correspond to reality. >>>> >>> >>> None of this comes anywhere close to addressing my question. >>> >> >> Well, you have either not understood the question, or my answer to it. >> > > I asked where those 10^1000 intermediate computation states are realized, > and your reply was a basic description of how quantum computers use qubits > and interference. You said this all takes place in one world, but the > total information content and computational capacity of the observable > universe about 800 orders of magnitude less than 10^1000. > > You then added a sentence that suggested the intermediate computational > states perhaps don't exist, but then how does the correct answer get into > the output bits when we read it? > > David Deutsch said he has never seen a sensible answer to the question of > how quantum computers work from the context of any single-universe > interpretation. Do you think your answer would satisfy him? > > > All those "intermediate computation states" are so "numerous" because the > state is being expressed as a superposition of qubit basis states. From > another viewpoint the state is just a single ray in Hilbert space that > happens to not be orthogonal to any of those bases > So in your view, are they real? Jason -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CA%2BBCJUj10F0krHaz%3DpA35sqmgGkrOJtUJ9sfz7YvB7WsoZHB0g%40mail.gmail.com.

