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题名: Expected number of quantum channels in quantum networks
作者: Chen, X;  Wang, HM;  Ji, DT;  Mu, LZ;  Fan, H
刊名: SCIENTIFIC REPORTS
出版日期: 2015
卷号: 5, 期号:0, 页码:12128
学科分类: Science & Technology - Other Topics
DOI: http://dx.doi.org/10.1038/srep12128
通讯作者: Mu, LZ (reprint author), Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
文章类型: Article
英文摘要: Quantum communication between nodes in quantum networks plays an important role in quantum information processing. Here, we proposed the use of the expected number of quantum channels as a measure of the efficiency of quantum communication for quantum networks. This measure quantified the amount of quantum information that can be teleported between nodes in a quantum network, which differs from classical case in that the quantum channels will be consumed if teleportation is performed. We further demonstrated that the expected number of quantum channels represents local correlations depicted by effective circles. Significantly, capacity of quantum communication of quantum networks quantified by ENQC is independent of distance for the communicating nodes, if the effective circles of communication nodes are not overlapped. The expected number of quantum channels can be enhanced through transformations of the lattice configurations of quantum networks via entanglement swapping. Our results can shed lights on the study of quantum communication in quantum networks.
类目[WOS]: Multidisciplinary Sciences
关键词[WOS]: ENTANGLEMENT DISTRIBUTION ;  PERCOLATION ;  MEMORY ;  STATES ;  NODES
收录类别: SCI
项目资助者: NSFC, China Innovation Funding ;  CAS
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20925
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Chen, X,Wang, HM,Ji, DT,et al. Expected number of quantum channels in quantum networks[J]. SCIENTIFIC REPORTS,2015,5(0):12128.
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