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Quantum secure direct communication with quantum encryption | | Xi-Han Li
; Ping Zhou
; Chun-Yan Li
; Hong-Yu Zhou
; Fu-Guo Deng
; | | Date: |
2 Dec 2005 | | Abstract: | We present a scheme for quantum secure direct communication with quantum encryption following some ideas in the Zhang-Li-Guo quantum key distribution scheme [Phys. Rev. A extbf{64}, 024302 (2001)]. Instead of the bilateral rotation operations before each round of the transmission, the two parties of communication perform a single-particle measurement on some samples chosen randomly from the quantum key, the Einstein-Podolsky-Rosen pairs shared, with the two measuring bases $sigma_z$ and $sigma_x$. The quantum key can be used repeatedly for transmitting a secret message securely. Each of the travelling particles can carry one bit of message which can be read out directly by the receiver. | | Source: | arXiv, quant-ph/0512014 | | Services: | Forum | Review | PDF | Favorites | |
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