On Friday, August 9, 2019 at 5:32:01 AM UTC-5, Bruno Marchal wrote: > > > > On 8 Aug 2019, at 18:41, 'Brent Meeker' via Everything List < > everyth...@googlegroups.com <javascript:>> 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. > > One state? One wave function? OK. But that one state and its evolution > still describes many histories, and the expression of the photon as a > superposition is not an artfifact. The histories interfere. If the photons > are in the state 1/sqrt(2)( |left slit> -|right slit> ) they behave > differently than the crisp photons going only through one slit. > > Bruno > > > > Exactly That's what I asked about many posts ago. :)
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