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 entang...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.展开更多
过程支撑环境PSE(process supporting environment)是一种支持软件过程元过程的计算机环境,PSE通过运作一个事先定义好的软件过程模型SPM(software process model)来控制和指导实际软件开发过程.SPM使用的控制方式分为主动式(proactive...过程支撑环境PSE(process supporting environment)是一种支持软件过程元过程的计算机环境,PSE通过运作一个事先定义好的软件过程模型SPM(software process model)来控制和指导实际软件开发过程.SPM使用的控制方式分为主动式(proactive)和反应式(reactive)两种.由于主动式不能很好地支持软件过程的演化,反应式渐渐受到人们的重视.提出了一种反应式SPM以及建立这种模型所使用的图形化的软件过程建模语言,同时,对于所建立的SPM,提出用时序逻辑语言XYZ/E表示它的行为视图动态语义的方法.这为模型提供了明确的动态语义,为其运作和分析提供了形式化基础.展开更多
基金Supported by Pre-research Foundation of PLA University of Science and Technology (2009JC02)
文摘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.
文摘过程支撑环境PSE(process supporting environment)是一种支持软件过程元过程的计算机环境,PSE通过运作一个事先定义好的软件过程模型SPM(software process model)来控制和指导实际软件开发过程.SPM使用的控制方式分为主动式(proactive)和反应式(reactive)两种.由于主动式不能很好地支持软件过程的演化,反应式渐渐受到人们的重视.提出了一种反应式SPM以及建立这种模型所使用的图形化的软件过程建模语言,同时,对于所建立的SPM,提出用时序逻辑语言XYZ/E表示它的行为视图动态语义的方法.这为模型提供了明确的动态语义,为其运作和分析提供了形式化基础.
基金Supported by the National Natural Science Foundation of China under Grant No.60073020 (国家自然科学基金)the National High Technology Development 863 Program of China under Grant No.863-306-ZT02-04-01 (国家863高科技发展计划)
