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Theoretically efficient high-capacity quantum-key-distribution scheme

Physical Review A · 2002 · Vol. 65(3)

Gui‐Lu Long✉(Institute of Theoretical Physics)X. S. Liu(Shandong Normal University)

Abstract

A theoretical quantum key distribution scheme using Einstein-Podolsky-Rosen (EPR) pairs is presented. This scheme is efficient in that it uses all EPR pairs in distributing the key except those chosen for checking eavesdroppers. The high capacity is achieved because each EPR pair carries 2 bits of key code.

Quantum Information and Cryptography Quantum Computing Algorithms and Architecture Quantum Mechanics and ApplicationsQuantum key distributionKey (lock)Scheme (mathematics)EPR paradoxElectron paramagnetic resonanceComputer scienceCode (set theory)QuantumQuantum mechanicsPhysics

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