中国物理B ›› 2007, Vol. 16 ›› Issue (10): 2880-2887.doi: 10.1088/1009-1963/16/10/009
詹孝贵, 李红梅, 季 花, 曾浩生
Zhan Xiao-Gui(詹孝贵), Li Hong-Mei(李红梅), Ji Hua(季花), and Zeng Hao-Sheng(曾浩生)†
摘要: 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 $(2M + N + 1)\log _2 d$-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.
中图分类号: (Quantum computation architectures and implementations)