Corpus ID: 118882215

Distinguishability and Accessible Information in Quantum Theory

  title={Distinguishability and Accessible Information in Quantum Theory},
  author={C. Fuchs},
  journal={arXiv: Quantum Physics},
  • C. Fuchs
  • Published 1996
  • Mathematics, Physics
  • arXiv: Quantum Physics
  • This document focuses on translating various information-theoretic measures of distinguishability for probability distributions into measures of distin- guishability for quantum states. These measures should have important appli- cations in quantum cryptography and quantum computation theory. The results reported include the following. An exact expression for the quantum fidelity between two mixed states is derived. The optimal measurement that gives rise to it is studied in detail. Several… CONTINUE READING
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