Quantum secret sharing with multilevel mutually (un)biased bases

I. Ching Yu, Feng Li Lin, Ching Yu Huang

研究成果: 雜誌貢獻文章

51 引文 斯高帕斯(Scopus)

摘要

We construct general schemes for multipartite quantum secret sharing using multilevel systems, and find that the consistency conditions for valid measurements can be summarized in two simple algebraic conditions. The scheme using very high-dimensional mutually unbiased bases can in principle achieve perfect security against intercept-resend attack; and for the scheme using mutually biased bases, it reaches the optimal but nonperfect security at the four-level system. We also address the security issue against general attacks in the context of our multilevel schemes. In particular, we propose a protocol to enhance both the efficiency and the security against an entanglement-assisted participant's attack by incorporating quantum-key-distribution and measurement-basis-encrypted schemes so that its security is as robust as quantum-key distribution.

原文英語
文章編號012344
期刊Physical Review A - Atomic, Molecular, and Optical Physics
78
發行號1
DOIs
出版狀態已發佈 - 2008 七月 23

    指紋

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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