Entanglement in Anisotropic Heisenberg XYZ Chain with Inhomogeneous Magnetic Field

作     者：YANG Guo-Hui GAO Wen-Bin ZHOU Ling SONG He-Shan 

作者机构：Department of Physics Dalian University of Technology Dalian 116023 China 

出 版 物：《Communications in Theoretical Physics》 (理论物理通讯（英文版）)

年 卷 期：2007年第48卷第3X期

页      面：453-456页

核心收录：

学科分类：07[理学] 070201[理学-理论物理] 0704[理学-天文学] 0702[理学-物理学] 

基　　金：The project supported by National Natural Science Foundation of China under Grant No. 10575017 and Natural Science Foundation of Liaoning Province under Grant No. 20031073 

主　　题：Heisenberg model entanglement inhomogeneous magnetic field 

摘      要：The thermal entanglement of a two-qubit anisotropic Heisenberg XYZ chain under an inhomogeneous magnetic field b is studied. It is shown that when inhomogeneity is increased to a certain value, the entanglement can exhibit a larger revival than that of less values of b. The property is both true for zero temperature and a finite temperature. The results also show that the entanglement and threshold temperature can be increased by increasing inhomogeneous external magnetic field.