Secure Key Distribution by Swapping Quantum Entanglement

Details Secure Key Distribution by Swapping Quantum Entanglement Secure Key Distribution by Swapping Quantum Entanglement

2003-05-28

arxiv.org/abs/quant-ph/0305168v3

Physics

Quantum Physics

4 pages, 2 figures, 3 tables. The revised version will appear in Phys. Rev. A

Scientific paper

10.1103/PhysRevA.69.034301

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.

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