Limitation on the amount of accessible information in a quantum channel.

@article{Schumacher1996LimitationOT,
  title={Limitation on the amount of accessible information in a quantum channel.},
  author={Schumacher and Westmoreland and Wootters},
  journal={Physical review letters},
  year={1996},
  volume={76 18},
  pages={
          3452-3455
        }
}
  • Schumacher, Westmoreland, Wootters
  • Published 1996
  • Physics, Medicine
  • Physical review letters
    • We prove a new result limiting the amount of accessible information in a quantum channel. This generalizes Kholevo{close_quote}s theorem and implies it as a simple corollary. Our proof uses the strong subadditivity of the von Neumann entropy functional {ital S}({rho}) and a specific physical analysis of the measurement process. The result presented here has application in information obtained from {open_quote}{open_quote}weak{close_quote}{close_quote} measurements, such as those sometimes… CONTINUE READING
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