Quantum privacy and quantum coherence
Quantum Physics
2009-10-30 v2
Abstract
We derive a simple relation between a quantum channel's capacity to convey coherent (quantum) information and its usefulness for quantum cryptography.
Cite
@article{arxiv.quant-ph/9709058,
title = {Quantum privacy and quantum coherence},
author = {Benjamin Schumacher and Michael D. Westmoreland},
journal= {arXiv preprint arXiv:quant-ph/9709058},
year = {2009}
}
Comments
6 pages RevTex; two short comments added 7 October 1997