Anisotropy and Magnetic Field Effects on Entanglement of a Two-Spin （1/2,1） Mixed-Spin Heisenberg XY

• 作 者: WANG Fei FU Li-Ping GUO Ke-Tao
• 机 构: SchoolofPhysicalScienceandTechnology,SchoolofAppliedScience
• 出 处: 理论物理通讯：英文版
• 发表日期: 2008年8期
• 关键词: 混合自旋 缠结 电负性 哈异性 磁域 entanglement mixed-spin negativity quantum phase transitio
• 基金项目: The project supported by National Natural Science Foundation of China under Grant No. 10674181

<正>We study the entanglement in anisotropic (1/2,1) mixed-spin Heisenberg XY model under the presence of an external magnetic field at thermal equilibrium.By adjusting the anisotropic parameter and the magnetic field,one is able to obtain entangleme