Perfect correlations between noncommuting observables
classification
🪐 quant-ph
keywords
givennoncommutingobservablescorrelationsperfectanswerappliedarises
read the original abstract
The problem as to when two noncommuting observables are considered to have the same value arises commonly, but shows a nontrivial difficulty. Here, an answer is given by establishing the notion of perfect correlations between noncommuting observables, and applied to obtain a criterion for precise measurements of a given observable in a given state.
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