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首页> 外文期刊>The European physical journal, D. Atomic, molecular, and optical physics >Quantum entanglement between amide-I and amide-site in Davydov-Scott model
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Quantum entanglement between amide-I and amide-site in Davydov-Scott model

机译:Davydov-Scott模型中酰胺I与酰胺位点之间的量子纠缠

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In this paper, we firstly derive non-Markovian operator Langevin equations of the Davydov monomer in its environment. Next, we replace the equations with the c-number quantum general Langevin equations (QGLEs) by calculating statistical and quantum averages of the operator Langevin equations. Then, by using the c-number QGLEs we investigate the evolutions of the subsystems amide-I and amidesite. The evolution of a parameter θ describing quantum entanglement of the coupling subsystems with continuous variable Hamiltonian has also been investigated. It is shown that there is certain entanglement between the amide-I and amide-site in the Davydov-Scott monomer.
机译:在本文中,我们首先推导了其周围环境中达维多夫单体的非马尔可夫算子Langevin方程。接下来,我们通过计算算子Langevin方程的统计平均值和量子平均值,用c数量子通用Langevin方程(QGLE)替换方程。然后,通过使用c数QGLE,我们研究了酰胺I和酰胺基子系统的演化。还研究了描述具有连续变量哈密顿量的耦合子系统的量子纠缠的参数θ的演化。结果表明,Davydov-Scott单体中的酰胺I和酰胺位之间存在一定的纠缠。

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