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Preservation Macroscopic Entanglement of Optomechanical Systems in non-Markovian Environment.


ABSTRACT: We investigate dynamics of an optomechanical system under the non-Markovian environment. In the weak optomechanical single-photon coupling regime, we provide an analytical approach fully taking into account the non-Markovian memory effects. When the cavity-bath coupling strength crosses a certain threshold, an oscillating memory state for the classical cavity field is formed. Due to the existence of the non-decay optical bound state, a nonequilibrium optomechanical thermal entanglement is preserved even without external driving laser. Our results provide a potential usage to generate and protect entanglement via non-Markovian environment.

SUBMITTER: Cheng J 

PROVIDER: S-EPMC4817058 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Preservation Macroscopic Entanglement of Optomechanical Systems in non-Markovian Environment.

Cheng Jiong J   Zhang Wen-Zhao WZ   Zhou Ling L   Zhang Weiping W  

Scientific reports 20160401


We investigate dynamics of an optomechanical system under the non-Markovian environment. In the weak optomechanical single-photon coupling regime, we provide an analytical approach fully taking into account the non-Markovian memory effects. When the cavity-bath coupling strength crosses a certain threshold, an oscillating memory state for the classical cavity field is formed. Due to the existence of the non-decay optical bound state, a nonequilibrium optomechanical thermal entanglement is preser  ...[more]

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