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The Bayes cost in the binary decision problem

By Bernhard Meister
The problem of quantum state discrimination between two wave functions on a ring is considered. The optimal minimum-error probability is known to be given by the Helstrom bound. A new strategy is introduced by inserting either adiabatically or instantaneously an impenetrable barrier. The insertion point, independent of the shape of... Show more
February 15, 2016
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The Bayes cost in the binary decision problem
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