Comment by artnap
20 hours ago
Schrödinger's fix to Whittaker's photon argument was to let the hidden variable take any value between zero and one, instead of just two. It's funny that such a small change was enough to rebuild the quantum probabilities.
It is not surprising that Schrödinger did this, what is surprising that a competent physicist, as Whittaker should have been, could ever write such an obviously weak "proof".
If there are hidden variables, it is pretty obvious that they cannot be binary variables, but their nature must be that of spins, i.e. rotation movements, where the probability of interaction depends on the instantaneous values of the rotation angles of the interacting particles (which correspond to the phases of the "wave" functions describing the system).