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Approximate quantum error correction

Avraham Ben- Aroya. Tel- Aviv University. The standard quantum noise model. The source of these results is the theory of approximate quantum error correction. The action of a quantum channel is reversible if and only if no. coherent information of the input state. We show that, if the loss of coherent information is small, then approximate error correction is possible. The errors that arise in a quantum channel can be corrected perfectly if and only if the channel does not decrease the coherent information of the input state. We present relaxed criteria for quantum error correction that are useful when the specific dominant quantum noise process is known. Abstract: We present relaxed criteria for quantum error correction which are useful when the specific dominant noise process is known. Approximate quantum error correction with covariant codes. [ joint work with: Victor Albert, John Preskill ( Caltech), Sepehr Nezami, Grant Salton,. Elizabeth Crosson during her visit to QGR December 12,. Approximate quantum error correcting codes protect quantum. Chuang, Quantum Computation and Quantum.

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  • Video:Quantum error correction

    Correction approximate quantum

    Westmoreland, “ Approximate quantum error correction, ” quant- ph/ 0112106. Andrew Houck - Surface Codes and Quantum Error Correction Princeton Summer School for Condensed Matter Physics ( PSSCMP) Princeton.