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Optimal and finite positive operator valued measurements on a finite number N of identically prepared systems have recently been presented. With physical realization in mind, we propose here optimal and minimal generalized quantum measurements for two-level systems. We explicitly construct them up to N0ex0ex=0ex0ex7 and verify that they are minimal up to N0ex0ex=0ex0ex5.
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Latorre et al. (1998) studied this question.
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