Partially secret broadcasting, partially secret splitting with quantum entanglement

doi:10.1088/1674-1056/19/1/010312

中国物理B ›› 2010, Vol. 19 ›› Issue (1): 10312-010312.doi: 10.1088/1674-1056/19/1/010312

Partially secret broadcasting, partially secret splitting with quantum entanglement

张彬彬¹, 刘玉²

(1)College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; (2)Department of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

收稿日期:2009-04-17 修回日期:2009-07-08 出版日期:2010-01-15 发布日期:2010-01-15

Partially secret broadcasting, partially secret splitting with quantum entanglement

Liu Yu(刘玉)^a) and Zhang Bin-Bin(张彬彬)^b)†

^a Department of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; ^b College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Received:2009-04-17 Revised:2009-07-08 Online:2010-01-15 Published:2010-01-15

摘要/Abstract

摘要： In this paper, we propose a classical secret broadcasting and splitting joint protocol in a quantum scenario. With those genuinely entangled states, the boss can always broadcast some of his secrets and split some others to multi-receivers at the same time. The efficiency of the joint protocol is also compared with that of two separate ones which realise classical secret broadcasting and classical secret splitting respectively, and based on the comparison we can see the promising advantage of our joint protocol is that it can realise the two tasks more efficiently and more conveniently.

Abstract: In this paper, we propose a classical secret broadcasting and splitting joint protocol in a quantum scenario. With those genuinely entangled states, the boss can always broadcast some of his secrets and split some others to multi-receivers at the same time. The efficiency of the joint protocol is also compared with that of two separate ones which realise classical secret broadcasting and classical secret splitting respectively, and based on the comparison we can see the promising advantage of our joint protocol is that it can realise the two tasks more efficiently and more conveniently.

Key words: secret broadcasting, secret splitting, quantum entanglement

中图分类号: (Entanglement and quantum nonlocality)

03.65.Ud

03.67.Mn (Entanglement measures, witnesses, and other characterizations) 42.50.Dv (Quantum state engineering and measurements)

刘玉, 张彬彬. Partially secret broadcasting, partially secret splitting with quantum entanglement[J]. 中国物理B, 2010, 19(1): 10312-010312.

Liu Yu(刘玉) and Zhang Bin-Bin(张彬彬). Partially secret broadcasting, partially secret splitting with quantum entanglement[J]. Chin. Phys. B, 2010, 19(1): 10312-010312.

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Partially secret broadcasting, partially secret splitting with quantum entanglement

Partially secret broadcasting, partially secret splitting with quantum entanglement

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