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arXiv · 1507.07072

Solution to the mean king's problem using quantum error-correcting codes

Masakazu Yoshida·Gen Kimura·Takayuki Miyadera·Hideki Imai·Jun Cheng
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Abstract

We discuss the so-called mean king's problem, a retrodiction problem among non-commutative observables, in the context of error detection. Describing the king's measurement effectively by a single error operation, we give a solution of the mean king's problem using quantum error-correcting codes. The existence of a quantum error-correcting code from a solution is also presented.

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Masakazu Yoshida, Gen Kimura, Takayuki Miyadera, Hideki Imai, Jun Cheng. 2015-07-25. Solution to the mean king's problem using quantum error-correcting codes. https://doi.org/10.1103/physreva.91.052326

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