Construction of many-particle spin entangled states and signature

被引：1

作者：

Zhu, HB ^{[1
]}

Zeng, JY ^{[1
]}

机构：

[1] Beijing Univ, Dept Phys, Beijing 100871, Peoples R China

来源：

SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY | 2001年 / 44卷 / 10期

关键词：

entangled state; signature; reduced density matrix;

D O I：

10.1007/BF02877021

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Using the collective rotational transformation, R-x ( pi ), we construct two types of many-particle spin entangled states in terms of the bases of angular momentum uncoupling and coupling representations. The concept of signature is introduced. The entanglement properties of a four-particle system is investigated by analyzing various subsystem reduced density matrices.

引用

页码：1322 / 1330

页数：9

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