Explicit designs of spin chains for perfect quantum state transfer

被引：7
|
作者：
Xi, X. Q. [1 ]
Gong, J. B. [2 ,3 ]
Zhang, T. [4 ]
Yue, R. H. [4 ,5 ]
Liu, W. M. [2 ,3 ,6 ]
机构：
[1] Xian Inst Posts & Telecommun, Dept Appl Math & Phys, Xian 710061, Peoples R China
[2] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore
[3] Natl Univ Singapore, Ctr Computat Sci & Engn, Singapore 117542, Singapore
[4] NW Univ Xian, Inst Modern Phys, Xian 710069, Peoples R China
[5] Ningbo Univ, Dept Phys, Ningbo 315211, Zhejiang, Peoples R China
[6] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL D | 2008年 / 50卷 / 02期
关键词：
23;
D O I：
10.1140/epjd/e2008-00206-0
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Simple and explicit designs of short isotropic "XY" spin chains for perfect quantum state transfer are obtained analytically. Detailed results indicate that many qualitatively different designs exist, thus establishing more flexibility in designing quantum channels for high-fidelity quantum information transfer.
引用
收藏
页码：193 / 199
页数：7
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