User:Johnjbarton/sandbox/introduction to quantum mechanics: Difference between revisions
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**** Observers obey QM (Heisenberg cut)
**** Bad data to start (unmeasurable initial conditions)
(I especially like the last entry--there are so many descriptions of the randomness in the double-slit experiment that fail to mention that "coherent light" is quite noisy: each individual photon has its own path--direction and offset through the slits, and they are not well aligned with each other. No wonder physicists have been quick to say that QM itself is all random, when it is not. There is nothing random about the Schrödinger equation. [[User:David spector|David Spector]] ([[User Talk:David spector|talk]]) 17:43, 18 July 2023 (UTC))
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