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Jun29-07, 09:43 AM
P: 2,066
I skimmed through the thread, and didn't notice any remarks about decoherence. Isn't this explanation among the most standard ones: The electron gets coupled with the photon (that is used to measure it's position or path), and when the photon gets coupled with a macroscopic measuring device, the electron is coupled with this macroscopic device also and interference patterns will be gone then. In effect, the electron's wave function has collapsed where it encountered the photon, but not really in the original copenhagenian sense.