Biparite entanglement and localization of one-particle states

被引：18

作者：

Li, HB ^{[1
]}

Wang, XG

Hu, BB

机构：

[1] Hong Kong Baptist Univ, Dept Phys, Hong Kong, Hong Kong, Peoples R China

[2] Hong Kong Baptist Univ, Ctr Nonlinear Studies, Hong Kong, Hong Kong, Peoples R China

[3] Zhejiang Univ, Inst Modern Phys, Hangzhou 310027, Peoples R China

[4] Macquarie Univ, Dept Phys, N Ryde, NSW 2109, Australia

[5] Macquarie Univ, Australian Ctr Excellence Quantum Comp Technol, N Ryde, NSW 2109, Australia

[6] Univ Houston, Dept Phys, Houston, TX 77204 USA

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 2004年 / 37卷 / 44期

关键词：

D O I：

10.1088/0305-4470/37/44/014

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study bipartite entanglement in a general one-particle state, and find that the linear entropy, quantifying the bipartite entanglement, is directly connected to the participation ratio, characterizing the state localization. The more extended the state, the more entangled it is. We apply the general formalism to investigate ground-state and dynamical properties of entanglement in the one-dimensional Harper model.

引用

页码：10665 / 10672

页数：8

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