Characterization of Collective Gaussian Attacks and Security of Coherent-State Quantum Cryptography

Details Characterization of Collective Gaussian Attacks and Security of Coherent-State Quantum Cryptography Characterization of Collective Gaussian Attacks and Security of Coherent-State Quantum Cryptography

2008-06-25

arxiv.org/abs/0806.4207v2

Phys. Rev. Lett. 101, 200504 (2008)

Physics

Quantum Physics

4 pages, 1 figure + 1 Table, REVteX. More descriptive title

Scientific paper

10.1103/PhysRevLett.101.200504

We provide a simple description of the most general collective Gaussian
attack in continuous-variable quantum cryptography. In the scenario of such
general attacks, we analyze the asymptotic secret-key rates which are
achievable with coherent states, joint measurements of the quadratures and
one-way classical communication.

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