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2007 Volume 16 Issue 10
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Zhan Xiao-Gui, Li Hong-Mei, Ji Hua, Zeng Hao-Sheng. 2007: Controlled teleportation of multi-qudit quantum information, Chinese Physics B, 16(10): 2880-2884.
Citation: Zhan Xiao-Gui, Li Hong-Mei, Ji Hua, Zeng Hao-Sheng. 2007: Controlled teleportation of multi-qudit quantum information, Chinese Physics B, 16(10): 2880-2884.
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Controlled teleportation of multi-qudit quantum information

  • Department of Physics, Hunan Normal University, Changsha 410081, China

  • Available Online: 30/10/2007
  • Fund Project: the Scientific Research Fund of Hunan Provincial Education Bureau(Grant 05B041)%the Foundation for Key Program of Ministry of Education, China(Grant 206103)%the Science Foundation for Post Doctorate Research from the Ministry of Science and Technology of China(Grant 2005037695)%the Natural Science Foundation of Hunan Province(Grant 04JJ3017 and 05JJ30012)
  • We propose a scheme for realizing a controlled teleportation of random M-qudit quantum information under the control of N agents. The resource consumption includes a prearranged (2M + N + 1)-qudit entangled quantum channel and (2M + N + 1) log2 d-bit classical communication. And the quantum operations used in the teleportation process are a series of generalized Bell-state measurements, single-qudit measurements, qudit H-gates, qudit-Pauli gates and qudit phase gates. It is shown that the original state can be restored by the receiver only on condition that all the agents work in collaboration with each others. If one agent does not cooperate with the other, the original state cannot be fully recovered.
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Controlled teleportation of multi-qudit quantum information

  • Available Online: 30/10/2007

Abstract: We propose a scheme for realizing a controlled teleportation of random M-qudit quantum information under the control of N agents. The resource consumption includes a prearranged (2M + N + 1)-qudit entangled quantum channel and (2M + N + 1) log2 d-bit classical communication. And the quantum operations used in the teleportation process are a series of generalized Bell-state measurements, single-qudit measurements, qudit H-gates, qudit-Pauli gates and qudit phase gates. It is shown that the original state can be restored by the receiver only on condition that all the agents work in collaboration with each others. If one agent does not cooperate with the other, the original state cannot be fully recovered.

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