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Quantum secure direct communication with high-dimension quantum superdense coding

Physical Review A · 2005 · Vol. 71(4)

Chuan Wang✉(Tsinghua University)Fu‐Guo Deng(Beijing Normal University)Yansong Li(Tsinghua University)Xiao-Shu Liu(Tsinghua University)Gui‐Lu Long(Tsinghua University)

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Abstract

A protocol for quantum secure direct communication with quantum superdense coding is proposed. It combines the ideas of block transmission, the ping-pong quantum secure direct communication protocol, and quantum superdense coding. It has the advantage of being secure and of high source capacity.

Quantum Information and Cryptography Quantum Computing Algorithms and Architecture Quantum Mechanics and ApplicationsSuperdense codingPhysicsQuantum networkQuantum information scienceQuantumTheoretical computer scienceQuantum informationQuantum mechanicsComputer scienceQuantum entanglement

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References

Two-step quantum direct communication protocol using the Einstein-Podolsky-Rosen pair block