The 2-Slit Experiment Revisited (1: Calculation)

Wednesday, June 22, 2011 - 11:10 in Physics & Chemistry

According to Feynman, the 2-slit experiment with electrons "has in it the heart of quantum mechanics" and "is impossible, absolutely impossible, to explain in any classical way". To begin with, it may not be amiss to inform the never-ending discussion of this experiment with a knowledge of the rules that go into calculating the predicted and observed interference pattern.The mathematical formalism of quantum mechanics can be built up on the basis of the following rules. Suppose that you want to calculate the probability of a particular outcome of a measurement M2, given the outcome of am earlier measurement M1. Here is what you have to do:read more

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