Concentration Effect of Quantum and Classical Correlations during Quantum Brachistochrone Evolution

被引：2
|
作者：
Zhao, Bao-Kui [1 ]
Zhao, Shou-Xin [1 ]
机构：
[1] Jilin Univ, Coll Phys, Changchun 130012, Peoples R China
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2016年 / 55卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Quantum brachistochrone evolution; Quantum Zeno dynamics; Formalism; Quantum computation; ENTANGLEMENT; SPEED; CONCURRENCE; STATE;
D O I：
10.1007/s10773-015-2807-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We explore the role of quantum brachistochrone evolution to quantum and classical correlations in three-qubit systems, and show that the time-averaged correlations of three-qubit systems exhibit an obvious concentration effect, which means both the standard deviations of time-averaged quantum and classical correlations decrease with the separation angle. Furthermore, we find that the concentration effect on genuine tripartite entanglement is the most significant during the quantum brachistochrone evolution of three-qubit systems.
引用
收藏
页码：1695 / 1705
页数：11
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