Article: Many-Worlds Hypothesis

Many-worlds Hypothesis


One of the fundamental interpretive problems of quantum theory arises from the fact that from any two or more states for a system one can create another state, their superposition (mathematically, a linear combination). Let s and s ́ be possible states for a system, corresponding to two different values, k and k ́ respectively, for the observable, O. (That is, they are mutually orthogonal eigenstates of O. ) Their superposition, which is another possible state for the system, is denoted by s + s ́ . According to the standard interpretation of quantum theory, a system in the state s + s ́ does not have the value k for O, nor the value k ...

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