Entanglement in the Grover search algorithm

被引：21
|
作者：
Fang, YY
Kaszlikowski, D
Chin, CM
Tay, K
Kwek, LC
Oh, CH
机构：
[1] Natl Univ Singapore, Fac Sci, Dept Phys, Singapore 117542, Singapore
[2] Nanyang Technol Univ, Natl Inst Educ, Singapore 639798, Singapore
来源：
PHYSICS LETTERS A | 2005年 / 345卷 / 4-6期
关键词：
entanglement; Grover search algorithm;
D O I：
10.1016/j.physleta.2005.07.017
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the degree of entanglement for the one-site and two-site reduced density matrices of a linear quantum register under the Grover search algorithm and show that for practical purpose, one-site von Neumann entropy could serve as a useful measure of entanglement. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：265 / 272
页数：8
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