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题名: Phase matching condition for quantum search with a generalized initial state
作者: Long, GL ;  Li, X ;  Sun, Y
刊名: PHYSICS LETTERS A
出版日期: 2002
卷号: 294, 期号:40972, 页码:143-152
关键词: ALGORITHM
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; Tsing Hua Univ, Ctr Atom & Mol Nanosci, Beijing 100084, Peoples R China; Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
英文摘要: We present a general phase matching condition for the quantum search algorithm with arbitrary unitary transformation and arbitrary phase rotations in the case of a general initial state. We show by an explicit expression that the phase matching condition depends both on the unitary transformation U and the initial state. We show that several phase conditions previously discussed in the literature are special cases of this general one, which clarifies the question of which condition should be regarded as exact. (C) 2002 Elsevier Science B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000174138100004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13591
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, X,Sun, Y. Phase matching condition for quantum search with a generalized initial state[J]. PHYSICS LETTERS A,2002,294(40972):143-152.
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