Answer by John Watrous for Shor code: phase flip error
The circuit detects an error, by producing a measurement outcome representing a syndrome that indicates which of three blocks of three qubits was affected by a phase error (or that indicates that no...
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Shor code: phase flip error
For Shor's error correcting code, what is the intuition behind saying that the following circuit corrects the phase flip error? I realize that the circuit is trying to compare phases of the three...
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