On 8/8/2019 11:50 AM, Jason Resch wrote:
On Thu, Aug 8, 2019 at 11:41 AM 'Brent Meeker' via Everything List
<[email protected]
<mailto:[email protected]>> wrote:
On 8/8/2019 1:42 AM, Bruno Marchal wrote:
>> Do you not see that there is only one intermediate state and the
>> superposition is an artifact of expressing the state relative to a
>> certain basis?
>
> If it was an artfifact, one photon would not been able to interfere
> with itself, and there would be no Bell’s violation.
It's an artifact of expressing the photon as a superposition of two
bases |left slit> and |right slit> which are not orthogonal. There is
still only one state, one wave function.
Any multitude of things can also also be viewed as a single collection
of that multitude.
A multitude of classical computational traces can be found in a
quantum computation. You point out this multitude of computation
traces can be viewed as one state of a larger space. Viewing it this
way, however, doesn't eliminate the multitude of the classical
computational traces.
To call them classical traces implies that they are not coherent and
cannot interfere; yet their interference is an essential factor in the
computation.
Brent
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