计算机科学 ›› 2017, Vol. 44 ›› Issue (3): 153-157.doi: 10.11896/j.issn.1002-137X.2017.03.034
袁晓敏,刘文杰,刘琦,鲁锦伸
YUAN Xiao-min, LIU Wen-jie, LIU Qi and LU Jin-shen
摘要： 采用4个EPR(Einstein-Podolsky-Rosen)对作为量子信道,提出一种新的全概率联合远程制备任意四粒子Cluster类态方案。在这个新的方案中,一个制备者执行四粒子投影测量,另一个制备者对手中的粒子执行二粒子投影测量。然后,接收者对手中二粒子进行某种幺正操作,并分别对两个辅助粒子进行受控非门操作,从而最终得到需要制备的Cluster类态。与其他制备任意四粒子Cluster类态的全概率制备方案相比,所提协议效率较高,而且在实验上更经济可行。
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