A low-rate bound on the reliability of a quantum discrete memoryless channel

Details A low-rate bound on the reliability of a quantum discrete memoryless channel A low-rate bound on the reliability of a quantum discrete memoryless channel

2002-03-15

arxiv.org/abs/quant-ph/0203077v2

Physics

Quantum Physics

9 pages, 1 figure. Changes in version 2: argument on the random coding bound expanded, minor errors corrected

Scientific paper

We extend a low-rate improvement of the random coding bound on the reliability of a classical discrete memoryless channel to its quantum counterpart. The key observation that we make is that the problem of bounding below the error exponent for a quantum channel relying on the class of stabilizer codes is equivalent to the problem of deriving error exponents for a certain symmetric classical channel.

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