典型文献
Nonreciprocal coupling induced entanglement enhancement in a double-cavity optomechanical system
文献摘要：
We investigate the quantum entanglement in a double-cavity optomechanical system consisting of an optomechanical cavity and an auxiliary cavity,where the optomechanical cavity mode couples with the mechanical mode via radiation-pressure interaction,and simultaneously couples with the auxiliary cavity mode via nonreciprocal coupling.We study the entanglement between the mechanical oscillator and the cavity modes when the two cavities are reciprocally or non-reciprocally coupled.The logarithmic negativity En(1)(E(2))is adopted to describe the entanglement degree between the mechanical mode and the optomechanical cavity mode(the auxiliary cavity mode).We find that bothE(1)and En(2)have maximum values in the case of reciprocal coupling.By using nonreciprocal coupling,E(1)and E(2)can exceed those maximum values,and a wider detuning region where the entanglement exists can be obtained.Moreover,the entanglement robustness with respect to the environment temperature is also effectively enhanced.
文献关键词：
中图分类号：
作者姓名：
Yuan-Yuan Liu;Zhi-Ming Zhang;Jun-Hao Liu;Jin-Dong Wang;Ya-Fei Yu
作者机构：
Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices(School of Information and Optoelectronic Science and Engineering),South China Normal University,Guangzhou 510006,China;Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials,South China Normal University,Guangzhou 510006,China
文献出处：
引用格式：
[1]Yuan-Yuan Liu;Zhi-Ming Zhang;Jun-Hao Liu;Jin-Dong Wang;Ya-Fei Yu-.Nonreciprocal coupling induced entanglement enhancement in a double-cavity optomechanical system)[J].中国物理B（英文版）,2022(09):337-342
A类：
bothE
B类：
Nonreciprocal,coupling,induced,entanglement,enhancement,double,cavity,optomechanical,system,We,investigate,quantum,consisting,auxiliary,where,couples,via,radiation,pressure,interaction,simultaneously,nonreciprocal,study,between,oscillator,modes,when,two,cavities,are,reciprocally,coupled,logarithmic,negativity,En,adopted,describe,degree,find,that,have,maximum,values,case,By,using,can,exceed,those,wider,detuning,region,exists,obtained,Moreover,robustness,respect,environment,temperature,also,effectively,enhanced
AB值：
0.458103
相似文献
机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
