On 8/19/2018 3:37 AM, Bruno Marchal wrote:
So the "many superpositions" that you posit are entirely arbitrary,
pulled out of the air without any justification.
If she measure u, Bob get d. But is she measure u’, Bob get d’ (with
certainly, if they have decided to measure in the same base u’d’
before). To account for that, obviously maintaining locality, we must
take into account the initial uncertainty, due to psi = (|u>|d> -
|d>|u>)/sqrt(2) = (|u'>|d'> - |d'>|u'>)/sqrt(2).
But that is a classical uncertainty as to which detect angle Alice
chooses and you have muddled the picture by leaving the detector and
it's angle out of the equation, and writing only the particle spin part
down.
Brent
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