Clustered Error Correction of Codeword-Stabilized Quantum Codes

Details Clustered Error Correction of Codeword-Stabilized Quantum Codes Clustered Error Correction of Codeword-Stabilized Quantum Codes

2009-07-12

arxiv.org/abs/0907.2038v4

Physics

Quantum Physics

4 pages, 2 figures, revtex4; number of editorial changes in v4

Scientific paper

Codeword stabilized (CWS) codes are a general class of quantum codes that includes stabilizer codes and many families of non-additive codes with good parameters. For such a non-additive code correcting all t-qubit errors, we propose an algorithm that employs a single measurement to test all errors located on a given set of t qubits. Compared with exhaustive error screening, this reduces the total number of measurements required for error recovery by a factor of about 3^t.

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