Quantum secure direct communication network with Einstein-Podolsky-Rosen pairs
arXiv:quant-ph/0508015 · doi:10.1016/j.physleta.2006.06.054
Abstract
We discuss the four requirements for a real point-to-point quantum secure direct communication (QSDC) first, and then present two efficient QSDC network schemes with an N ordered Einstein-Podolsky-Rosen pairs. Any one of the authorized users can communicate another one on the network securely and directly.
7 pages, one figure
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- Increasing the security of the ping-pong protocol by using many mutually unbiased bases
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