Unified and generalized approach to quantum error correction.

  title={Unified and generalized approach to quantum error correction.},
  author={David W. Kribs and Raymond Laflamme and David Poulin},
  journal={Physical review letters},
  volume={94 18},
We present a unified approach to quantum error correction, called operator quantum error correction. Our scheme relies on a generalized notion of a noiseless subsystem that is investigated here. By combining the active error correction with this generalized noiseless subsystems method, we arrive at a unified approach which incorporates the known techniques--i.e., the standard error correction model, the method of decoherence-free subspaces, and the noiseless subsystem method--as special cases… CONTINUE READING
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