To split the worlds the difference must be that the state vector
projects onto two (or more) orthogonal subspaces which correspond to the
different possible values of the measurement.
Brent
On 7/1/2021 4:55 AM, John Clark wrote:
On Thu, Jul 1, 2021 at 7:38 AM Bruce Kellett <bhkellet...@gmail.com
<mailto:bhkellet...@gmail.com>> wrote:
>>>> "superposition" is just a word that means a
collection of particles that exist in very different
physical states at exactly the same time, in other
words it's a word that people like to use when they
just don't want to say that the universe has split.
In Many Worlds if the mathematics says that 2 things
could happen then 2 things do happen. Usually when a
universe splits the two never recombine again, that's
why we usually don't see weird quantum effects in our
everyday lives, and that's why making a Quantum
Computer is hard. But If the difference between
universes is very very small
/>>>That seems a bit arbitrary. Exactly how is this "very
very small difference" quantified?/
>> Exactly what is the definition of "quantified" and exactly
what does that question mean?
> /Don't play silly bugger games. You know perfectly well what I
mean. /
*And you know perfectly well what the difference is between**"the
same" and "different "!* Or at least I think you do. I learned the
difference sometime ago by watching Sesame Street,
One of these things is not like the other
<https://www.youtube.com/watch?v=6b0ftfKFEJg>
John K Clark See what's on my new list at Extropolis
<https://groups.google.com/g/extropolis>
qba
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