Secure Key Distribution by Swapping Quantum Entanglement
Quantum Physics
2009-11-10 v3
Abstract
We report two key distribution schemes achieved by swapping quantum entanglement. Using two Bell states, two bits of secret key can be shared between two distant parties that play symmetric and equal roles. We also address eavesdropping attacks against the schemes.
Cite
@article{arxiv.quant-ph/0305168,
title = {Secure Key Distribution by Swapping Quantum Entanglement},
author = {Daegene Song},
journal= {arXiv preprint arXiv:quant-ph/0305168},
year = {2009}
}
Comments
4 pages, 2 figures, 3 tables. The revised version will appear in Phys. Rev. A