| A （2, 3） quantum threshold scheme based on Greenberger-Horne-Zeilinger state |
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| 引用本文： | 李 渊,曾贵华.A （2, 3） quantum threshold scheme based on Greenberger-Horne-Zeilinger state[J].中国物理 B,2007,16(10):2875-2879. |
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| 作者姓名： | 李 渊 曾贵华 |
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| 作者单位： | Laboratory of Quantum Information and Communication Security,
Department of Electronic Engineering, Shanghai Jiaotong University,
Shanghai 200240, China |
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| 基金项目： | Project
supported by the National Natural Science Foundation of China (Grant
No~60472018). |
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| 摘 要： | In this paper, by using properties of quantum controlled-not
manipulation and entanglement states, we have designed a novel (2,
3) quantum threshold scheme based on the Greenberger- Horne
-Zeilinger (GHZ) state. The proposed scheme involves two phases,
i.e. a secret sharing phase and a secret phase. Detailed proofs
show that the proposed scheme is of unconditional security. Since
the secret is shared among three participants, the proposed scheme
may be applied to quantum key distribution and secret sharing.
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| 关 键 词： | 量子论 量子阈 量子纠缠 量子态分配 GHZ态 |
| 收稿时间： | 2006-11-22 |
| 修稿时间： | 3/1/2007 12:00:00 AM |
A (2, 3) quantum threshold scheme based on Greenberger--Horne--Zeilinger state |
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| Li Yuan and Zeng Gui-Hua.A (2, 3) quantum threshold scheme based on Greenberger--Horne--Zeilinger state[J].Chinese Physics B,2007,16(10):2875-2879. |
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| Authors: | Li Yuan and Zeng Gui-Hua |
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| Affiliation: | Laboratory of Quantum Information and Communication Security, Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200240, China |
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| Abstract: | In this paper, by using properties of quantum controlled-not
manipulation and entanglement states, we have designed a novel (2,
3) quantum threshold scheme based on the Greenberger- Horne
-Zeilinger (GHZ) state. The proposed scheme involves two phases,
i.e. a secret sharing phase and a secret phase. Detailed proofs
show that the proposed scheme is of unconditional security. Since
the secret is shared among three participants, the proposed scheme
may be applied to quantum key distribution and secret sharing. |
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| Keywords: | quantum threshold controlled-not manipulation secret
sharing GHZ state |
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