One of the strangest things about quantum physics is that it is in a superposition state. In fact, we are not so unfamiliar with this concept in our daily lives. When we look at it classically, if we consider ropes as an example, it is an example of classical superposition that two ropes show the feature of a single rope by overlapping the waves that will form. However, as with everything else, the superposition meaning of quantum is different. Here we need to think differently from the classical analogy. Because the owners of the quantum world are atoms and subatomic particles. Let us consider the most commonly used electrons experimentally. Electrons have a phenomenon we call spin. What is Spin? Spin, as the name suggests, is rotation. However, I would like to clear up the misunderstanding here. Electrons or particles are not round, ball-like structures as we imagine. In order to explain them in a mathematically understandable way, we give them spin property, in other words, we...
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