Quantum secure direct communication by e
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You-Bang Zhan; Ling-Ling Zhang; Qun-Yong Zhang
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Article
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2009
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Elsevier Science
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English
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A protocol for quantum secure direct communication by using entangled qutrits and swapping quantum entanglement is proposed. In this protocol, a set of ordered two-qutrit entangled states is used as quantum information channels for sending secret messages directly. During the process of transmission