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Quantum mechanics and Bell’s inequalities. (English) Zbl 0973.81508
Summary: Santos argues that, if one interprets probabilities as ratios of detected events to copies of the physical system initially prepared, the quantum mechanical predictions for the classic tests of Bell’s inequalities do not violate the inequalities. Furthermore, he suggests that quantum mechanical states which do violate the inequalities are not physically realizable. We discuss a physically realizable experiment, meeting his requirements, where quantum mechanics does violate the inequalities.

MSC:
81P15 Quantum measurement theory, state operations, state preparations
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