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Joint remote preparation of an arbitrary five-qubit Brown state via non-maximally entangled channels
  • ISSN号:1674-1056
  • 期刊名称:《中国物理B:英文版》
  • 时间:0
  • 分类:O413.1[理学—理论物理;理学—物理] O431[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构:[1]Information Security Center,Beijing University of Posts and Telecommunications,Beijing 100876,China, [2]National Engineering Laboratory for Disaster Backup and Recovery,Beijing University of Posts and Telecommunications,Beijing 100876,China
  • 相关基金:Project supported by the National Natural Science Foundation of China (Grant Nos. 61370194 and 61202082), the Fundamental Research Funds for the Central Universities of China (Grant Nos. BUPT2012RC0219), and the Foundation of Science and Technology of Huawei of China.
中文摘要:

We firstly present a novel scheme for deterministic joint remote state preparation of an arbitrary five-qubit Brown state using four Greenberg–Horme–Zeilinger(GHZ)entangled states as the quantum channel.The success probability of this scheme is up to 1,which is superior to the existing ones.Moreover,the scheme is extended to the generalized case where three-qubit and four-qubit non-maximally entangled states are taken as the quantum channel.We simultaneously employ two common methods to reconstruct the desired state.By comparing these two methods,we draw a conclusion that the first is superior to the second-optimal positive operator-valued measure only taking into account the number of auxiliary particles and the success probability.

英文摘要:

We firstly present a novel scheme for deterministic joint remote state preparation of an arbitrary five-qubit Brown state using four Greenberg-Horme-Zeilinger (GHZ) entangled states as the quantum channel. The success probability of this scheme is up to 1, which is superior to the existing ones. Moreover, the scheme is extended to the generalized case where three-qubit and four-qubit non-maximally entangled states are taken as the quantum channel. We simultaneously employ two common methods to reconstruct the desired state. By comparing these two methods, we draw a conclusion that the first is superior to the second-optimal positive operator-valued measure only taking into account the number of auxiliary particles and the success probability.

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期刊信息
  • 《中国物理B:英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编:欧阳钟灿
  • 地址:北京 中关村 中国科学院物理研究所内
  • 邮编:100080
  • 邮箱:
  • 电话:010-82649026 82649519
  • 国际标准刊号:ISSN:1674-1056
  • 国内统一刊号:ISSN:11-5639/O4
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:406