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Remembering the double slit (where the observation of the electron in one slit destroys the superposition |left slit>+ |right slit>) I am almost convinced that the interaction between the spin superposition |up>+|down> and the magnetic field if not observed would not lead to destruction in it. Like in double slit where the superposition is not destroyed ...


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You measure spin with an inhomogeneous magnetic field. If you originally had a spin state like $|\uparrow\rangle_1|\uparrow\rangle_2+|\downarrow\rangle_1|\downarrow\rangle_2$ then there are also spatial states. Let's describe the spatial state of particle 1 as $|C\rangle_1,$ $|L\rangle_1,$ and $|R\rangle_1,$ for Central (undeflecked), Left (deflected left) ...


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The spins of the both electrons of an EPR pair are undetermined before one conducts a measurement on one of them. The state of the two particles is undetermined for us or for the particles? It is without doubt, it is undetermined for us without measurement. Do someone not agree? A interpretation, that the particles state is determined from the ...


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Classical variables allow for correlations that are like quantum and not only linear : Bell's Ansatz is $$C(A,B)=\int A(\theta_A,\lambda)B(\theta_B,\lambda)\rho(\lambda)d\lambda$$ Suppose $$A(\theta_A)=2\Theta(\lambda-\theta_A)-1,B(\theta_B)=2\Theta(\theta_B-\lambda)-1$$ And $$\rho(\lambda)=sin(\lambda)/2$$ Between There you see that the correlation gives ...



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