Remote preparation of a class of three-qubit states

Remote preparation of a class of three-qubit states
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一类三量子位状态的远程准备

DOI:
10.1016/j.optcom.2007.10.032
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发表时间:
2008-02
影响因子:
2.4
通讯作者:
Liu, Yi-min
Liu, Yi-min
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zhang, Zhan-jun;Wang, Dong;Liu, Yi-min

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提出了一种利用三个2量子比特最大纠缠态作为量子通道的三粒子Greenberger-Horne-Zeilinger(GHz)态的远程态制备方案。计算了准备的成功概率和经典通信成本。一般来说,在爱丽丝经典信息的条件下,鲍勃只需进行一次适当的么正运算,就能以1/4的概率成功地准备好原始态。然而,对于四种特殊的状态,在消耗一些额外的比特后,准备的成功概率可以增加到1/2甚至1。
We propose a remote state preparation (RSP) scheme of a three-particle Greenberger–Horne–Zeilinger (GHZ) class state by using three 2-qubit maximally entangled states as the quantum channel. The success probability of preparation and classical communication cost are calculated. Generally speaking, conditioned on Alice’s classical message, with probability 1/4 Bob can successfully prepare the original state by performing one appropriate unitary operation. However, for four kinds of special states, the success probability of preparation can be increased to 1/2 or even 1 after consuming some extra bits.
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