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理论物理通讯：英文版

Concurrence of Quantum States： Algebraic Dynamical Method Study XXX Models in a Time-Depending Random External Field

付传技, 朱钦圣, 邬邵轶

Published Jan 1, 2010• 0 citations
OpenAlex

Abstract

基于代数学的动力学和纠纷的同时发生的概念，我们调查由 XXX 当模特儿在下面的海森堡形成了的 two-qubit 纠纷的发展性质一看情况时间外部成立。为这个系统，仅仅依赖于联合经常的 J 和外部领域的全部的值的同时发生的性质被证明。而且，我们发现在一个静态的随机的外部领域下面的系统的热同时发生是联合经常的 J，温度 T，和大小的功能外部成立。

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理论物理通讯：英文版•Jan 1, 2012•0 citations
基于代数学的动力学和纠纷的同时发生的概念，我们调查由 XXX 当模特儿在下面的海森堡形成了的 two-qubit 纠纷的发展性质一看情况时间外部成立。为这个系统，仅仅依赖于联合经常的 J 和外部领域的全部的值的同时发生的性质被证明。而且，我们发现在一个静态的随机的外部领域下面的系统的热同时发生是联合经常的 J，温度 T，和大小的功能外部成立。
Based on algebraic dynamics and the concept of the concurrence of the entanglement, we investigate the evolutive properties of the two-qubit entanglement that formed by Heisenberg XXX models under a time-depending external held. For this system, the property of the concurrence that is only dependent on the coupling constant J and total values of the external field is proved. Furthermore, we found that the thermal concurrence of the system under a static random external field is a function of the coupling constant J , temperature T , and the magnitude of external held.
量动力学的高效的控制对量技术的发展关键。从设计到量计量学的量状态，量控制的理论和实践为未来启用柔韧、更便宜的技术工业应用程序。从基本 matterfield 相互作用开始，我们概述建模量控制系统，控制能被也在实现改变域或材料性质的各种各样的途径。这些模型及时被造或频率领域和罐头被互连形成量反馈网络。这评论能作为有用引用被拿让工程师理解量物理在后面，或物理学家从一个控制工程观点解决控制问题。
Based on algebraic dynamics and the concept of the concurrence of the entanglement,we investigate the evolutive properties of the TwoQubit entanglement that formed by Heisenberg XXX models under a time-dependent arbitrary external field.For this system,the property of the concurrence that is only dependent on the coupling constant J and total values of the external field is proved.Furthermore,we found that the thermal concurrence of the system under a static arbitrary external field is a function of the coupling constant J,temperature T and the magnitude of external field.