Quantum Privacy and Quantum Coherence

Benjamin Schumacher and Michael D. Westmoreland
Phys. Rev. Lett. 80, 5695 – Published 22 June 1998
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Abstract

We derive a simple relation between a quantum channel's capacity to convey coherent (quantum) information and its usefulness for quantum cryptography.

  • Received 8 October 1997

DOI:https://doi.org/10.1103/PhysRevLett.80.5695

©1998 American Physical Society

Authors & Affiliations

Benjamin Schumacher

  • Department of Physics, Kenyon College, Gambier, Ohio 43022

Michael D. Westmoreland

  • Department of Mathematical Sciences, Denison University, Granville, Ohio 43023

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Vol. 80, Iss. 25 — 22 June 1998

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