Nonseparability in Quantum Mechanics
As well known, there are two main features of quantum mechanics which are quite generally considered as unsatisfactory, i.e. quantum indeterminism and quantum nonseparability. By the first expression one indicates the fact that identically prepared physical systems (even when the preparation is the most precise that the conceptual structure of the theory allows, i. e. it corresponds to the measurement of a complete set of commuting observables) can give different results when subsequently subjected to identical measurements. By the second expression one indicates the loss of individuality of a physical system as a consequence of its interaction with another one, even when the two systems are well separated in space and no longer interacting.
KeywordsQuantum Mechanic Pure State Factorize State Nonlocal Effect Hide Variable Theory
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