Quantum Dynamics of Bound Entangled States

被引：0
|
作者：
ZHU Guo-Qiang~1 WANG Xiao-Guang~(1
机构：
来源：
CommunicationsinTheoreticalPhysics | 2008年 / 49卷 / 02期
基金：
中国国家自然科学基金;
关键词：
entanglement; quantum dynamics;
D O I：
暂无
中图分类号：
O413.1 [量子力学（波动力学、矩阵力学）];
学科分类号：
070205 ; 0809 ;
摘要：
By using the partial transpose and realignment method,we study the time evolution of the bound entan-glement under the bilinear-biquadratic Hamiltonian.For the initial Horodeeki’s bound entangled state,it keeps boundentangled for some time,while for the initial bound entangled states constructed from the unextendable product basis,they become free once the time evolution begins.The time evolution provides a new way to construct bound entangledstates,and also gives a method to free bound entanglement.
引用
收藏
页码：343 / 346
页数：4
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