Properties of linear entropy of the atom in a tripartite cavity-optomechanical system

Properties of linear entropy of the atom in a tripartite cavity-optomechanical system
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三腔光机系统中原子线熵的性质

DOI:
10.1088/1054-660x/26/5/055201
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发表时间:
2016-04
期刊:
影响因子:
1.2
通讯作者:
Muhammad Ashfaq Ahmad
Muhammad Ashfaq Ahmad
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Qinghong Liao;Wenjie Nie;Juan Xu Ye Liu Nanrun Zhou Qiurong Yan An Chen;Nianhua Liu;Muhammad Ashfaq Ahmad

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本文研究了一端为振镜的高精细度光腔中的二能级原子组成的三腔光机系统中原子线性熵的动力学行为。研究了原子相干性对线性熵随时间演化的影响。结果表明,可以产生Greenberger-Horne-Zeilinger类态。此外,还发现原子与光场和镜子系统之间的纠缠可以通过原子相干性、光场耦合系数和原子-光场耦合强度等参数来控制。
We investigate the dynamics of linear entropy of an atom in a tripartite cavity-optomechanical system consisting of a two-level atom in a high-finesse optical cavity with a vibrating mirror at one end. The influence of atomic coherence on the time evolution of linear entropy is examined. It is shown that a Greenberger–Horne–Zeilinger like state can be generated. Moreover, it is found that the entanglement between the atom and the subsystem of field and mirror can be controlled by atomic coherence and the parameters of optomechanical coupling coefficient and atom-field coupling strength.
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