Memory-effect-induced macroscopic-microscopic entanglement
Memory-effect-induced macroscopic-microscopic entanglement
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DOI：
10.1103/physreva.94.012334
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发表时间：
2016-07-19
影响因子：
2.9
通讯作者：
Yu, Ting
中科院分区：
文献类型：
--
作者：
Mu, Qingxia;Zhao, Xinyu;Yu, Ting
本文研究了耦合于非马尔可夫环境下的光腔场与活动镜之间的光力学纠缠。非马尔可夫量子态扩散方法和非马尔可夫主方程在研究腔场与可动镜之间的纠缠产生方面是有用的。本文提出的简单模型展示了与环境记忆效应相关的光机械纠缠的几个有趣特性。结果表明，有效环境中心频率可以用来调制光机械纠缠。此外，我们表明，通过适当选择有效失谐，可以实现最大的纠缠，有效失谐与环境记忆效应的强度有很大关系。
We study optomechanical entanglement between an optical cavity field and a movable mirror coupled to a non-Markovian environment. The non-Markovian quantum-state diffusion approach and the non-Markovian master equation are shown to be useful in investigating entanglement generation between the cavity field and the movable mirror. The simple model presented in this paper demonstrates several interesting properties of optomechanical entanglement that are associated with environment memory effects. It is evident that the effective environment central frequency can be used to modulate the optomechanical entanglement. In addition, we show that the maximum entanglement may be achieved by properly choosing the effective detuning, which is significantly dependent on the strength of the memory effect of the environment.