Scientific article
Open access

Intermediate states in quantum cryptography and Bell inequalities

Publication date2003

Intermediate states are known from intercept/resend eavesdropping in the Bennett-Brassard 1984 (BB84) quantum cryptographic protocol. But they also play fundamental roles in the optimal eavesdropping strategy on the BB84 protocol and in the CHSH (Clauser-Horne-Shimony-Holt) inequality. We generalize the intermediate states to an arbitrary dimension and consider intercept/resend eavesdropping, optimal eavesdropping on the generalized BB84 protocol and present a generalized Clauser-Horne-Shimony-Holt inequality for two entangled qudits based on these states

Citation (ISO format)
BECHMANN-PASQUINUCCI, H., GISIN, Nicolas. Intermediate states in quantum cryptography and Bell inequalities. In: Physical review, A, Atomic, molecular, and optical physics, 2003, vol. 67, n° 6. doi: 10.1103/PhysRevA.67.062310
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Article (Published version)
ISSN of the journal1050-2947

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