English

Quantum Data Processing

Quantum Physics 2007-05-23 v1

Abstract

We prove a data processing inequality for quantum communication channels, which states that processing a received quantum state may never increase the mutual information between input and output states.

Keywords

Cite

@article{arxiv.quant-ph/9907081,
  title  = {Quantum Data Processing},
  author = {Rudolf Ahlswede and Peter Loeber},
  journal= {arXiv preprint arXiv:quant-ph/9907081},
  year   = {2007}
}

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8 pages