On Monday, October 14, 2019 at 3:40:01 AM UTC-6, Philip Thrift wrote: > > > > On Sunday, October 13, 2019 at 11:10:58 PM UTC-5, Alan Grayson wrote: >> >> >> >> On Sunday, October 13, 2019 at 5:50:35 PM UTC-6, Brent wrote: >>> >>> >>> >>> On 10/13/2019 1:08 PM, Alan Grayson wrote: >>> > What are YOU talking about? I just made a GUESS about the decoherence >>> > time! Whatever it is, it doesn't change my conclusion. If there's a >>> > uncertainty in time, are you claiming the cat can be alive and dead >>> > during any duration? Is this what decoherence theory offers? AG >>> >>> Yes, part of the cat can be alive and part dead over a period seconds. >>> Or looked at another way, there is a transistion period in which the cat >>> is both alive and dead. >>> >>> But the main point is that this time had nothing to do with >>> Schroedinger's argument (he knew perfectly well the time of death was >>> vague); his argument was that Bohr's interpretation implied that the cat >>> was in a super-position of alive and dead from the time the box was >>> closed until someone looked in. >>> >>> Brent >>> >> >> Agreed. Without decoherence, the cat would be in a superposition of >> alive and dead from the time the box was closed until someone opened >> it. With decoherence, it would be in that superposition for a very short >> time, the decoherence time, when it would be in state, |decayed>|dead> >> or |undecayed> |alive> before the box was opened, provided it was >> opened after the decoherence time. So, as I see it, decoherence just >> moves the "collapse" earlier, before the box is opened, and does not >> resolve S's problem with superposition. The cause of the problem, or >> paradox if you will, is the superposition interpretation of the >> radioactive >> source. AG >> > > > > How would you describe the "states" of qubits in IBM's Q (quantum > computer)? > > @philipthrift >
I am not familiar with the theory on which quantum computers are based, so I cannot answer this question. AG -- 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/589ff9a2-a63d-49c2-ac7b-291b2ba5bcd8%40googlegroups.com.
