Quench dynamics of entanglement in an open anisotropic spin-1/2 Heisenberg chain

被引：10
作者：
Ren, Jie [1 ,2 ]
Zhu, Shiqun [3 ]
机构：
[1] Changshu Inst Technol, Dept Phys, Changshu 215500, Jiangsu, Peoples R China
[2] Changshu Inst Technol, Jiangsu Lab Adv Funct Mat, Changshu 215500, Jiangsu, Peoples R China
[3] Suzhou Univ, Sch Phys Sci & Technol, Suzhou 215006, Jiangsu, Peoples R China
来源：
PHYSICAL REVIEW A | 2010年 / 81卷 / 01期
基金：
中国国家自然科学基金;
关键词：
STATE;
D O I：
10.1103/PhysRevA.81.014302
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The quantum entanglement dynamics of a one-dimensional spin-1/2 anisotropic XXZ model is studied using the method of the adaptive time-dependent density-matrix renormalization group when two cases of quenches are performed in the system. An anisotropic interaction quench and the maximum number of domain walls of a staggered magnetization quench are considered. The dynamics of the pairwise entanglement between the nearest two qubits in the spin chain is investigated. The entanglement of the two spin qubits can be created and oscillates in both cases of the quench. The anisotropic interaction has a strong influence on the oscillation frequency of the entanglement.
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页数：4
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