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篇目详细内容

【篇名】 Partially entangled states bridge in quantum teleportation
【刊名】 Frontiers of Physics
【刊名缩写】 Front. Phys.
【ISSN】 2095-0462
【EISSN】 2095-0470
【DOI】 10.1007/s11467-014-0432-2
【出版社】
【出版年】 2014
【卷期】 9 卷5期
【页码】 646-651 页,共 6 页
【作者】 Xiao-Fei Cai; Xu-Tao Yu; Li-Hui Shi; Zai-Chen Zhang;
【关键词】 partially entangled states|quantum bridge|quantum teleportation|quantum logic gate

【摘要】

The traditional method for information transfer in a quantum communication system using partially entangled state resource is quantum distillation or direct teleportation. In order to reduce the waiting time cost in hop-by-hop transmission and execute independently in each node, we propose a quantum bridging method with partially entangled states to teleport quantum states from source node to destination node. We also prove that the designed specific quantum bridging circuit is feasible for partially entangled states teleportation across multiple intermediate nodes. Compared to two traditional ways, our partially entanglement quantum bridging method uses simpler logic gates, has better security, and can be used in less quantum resource situation.

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