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Effect of spin-orbit interaction on entanglement of two-qutrit Heisenberg XYZ systems in an inhomogeneous magnetic field
作者姓名:秦猛  李延标
作者单位:Institute of Science, PLA University of Science and Technology, Nanjing 211101, China
基金项目:Supported by Pre-research Foundation of PLA University of Science and Technology (2009JC02)
摘    要:We investigate the properties of spin-orbit interaction in the ground state and thermal entanglement of a two-qutrit Heisenberg XYZ system in the presence of an inhomogeneous magnetic field. Using negativity as entanglement measure, we give the dependence of entanglement on each parameter in detail. The result shows that one can get appropriate entanglement by adjusting the magnetic field, Dzyaloshinskii-Moriya interaction and anisotropy parameter simultaneously.

关 键 词:自旋轨道相互作用  非均匀磁场  热纠缠  海森堡  XYZ系统  各向异性参数  磁场系统  基态
收稿时间:2009-5-26
修稿时间:2009-6-28

Effect of spin-orbit interaction on entanglement of two-qutrit Heisenberg XYZ systems in an inhomogeneous magnetic field
QIN Meng LI Yan-Biao Institute of Science,PLA University of Science , Technology,Nanjing ,China.Effect of spin-orbit interaction on entanglement of two-qutrit Heisenberg XYZ systems in an inhomogeneous magnetic field[J].High Energy Physics and Nuclear Physics,2010,34(4):448-451.
Authors:QIN Meng LI Yan-Biao Institute of Science  PLA University of Science  Technology  Nanjing  China
Institution:QIN Meng LI Yan-Biao Institute of Science,PLA University of Science , Technology,Nanjing 211101,China
Abstract:We investigate the properties of spin-orbit interaction in the ground state and thermal entanglement of a two-qutrit Heisenberg XYZ system in the presence of an inhomogeneous magnetic field.Using negativity as entanglement measure,we give the dependence of entanglement on each parameter in detail.The result shows that one can get appropriate entanglement by adjusting the magnetic field,Dzyaloshinskii-Moriya interaction and anisotropy parameter simultaneously.
Keywords:entanglement  negativity  Heisenberg XYZ chain  
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