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题名: Dominant gate imperfection in Grover
作者: Long, GL ;  Li, YS ;  Zhang, WL ;  Tu, CC
刊名: PHYSICAL REVIEW A
出版日期: 2000
卷号: 61, 期号:4, 页码:-
关键词: COMPUTERS ;  IMPLEMENTATION
学科分类: Physics
通讯作者: Long, GL , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
部门归属: Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Heavy Ion Phys, Ctr Nucl Theory, Lanzhou 730000, Peoples R China
英文摘要: It is found Chat systematic errors in phase inversions and random errors in Hadmard-Walsh transformations are the dominant gate imperfection in Grover's quantum search algorithm. They lead to reductions in the maximum probability of the marked state and affect the efficiency of the algorithm. Given the degree of inaccuracy, we find that to guarantee a half-rate of success, the size of the database should be on the order of O(1/delta(2)), where delta is the uncertainty.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12986
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Long, GL,Li, YS,Zhang, WL,et al. Dominant gate imperfection in Grover[J]. PHYSICAL REVIEW A,2000,61(4):-.
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