2 ms·
It has to do with the combinations of states in the observable you are measuring (in the photon polarization example above, it would be spin or angular momentum
by anonytrary 9y ago
It has to do with the combinations of states in the observable you are measuring (in the photon polarization example above, it would be spin or angular momentum). You have to have some way of setting up the system in the entangled state that you want.