Lecture 6 YouTube

In this lecture, we completely review projection operators, using a slightly different method than in the previous lecture.

We then calculate the general probability that a pair of electrons in the singlet state are measured to be in particular directions.

Figure 6.3 - Simplified two-slit experiment

Figure 6.3 - Simplified two-slit experiment

Finally, we consider the famous two-slit experiment, which displays the fundamental difference between classical and quantum mechanics.