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arXiv 1810.06458quant-ph
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包含记忆和初始关联的开放量子系统的运动方程

Equation of Motion for Open Quantum Systems incorporating Memory and Initial Correlations

Martin Janßen

摘要:

利用只作用于系统态的有效Liouville算符,给出了考虑记忆效应和初始关联的开放量子系统的运动方程.环境可以通过有效Liouville的频率依赖性诱导记忆效应,并且初始相关性可以映射到系统内的偏移的频率依赖性初始状态。该运动方程推广了已知的半群动力学方程。在一般的系统中,有效的刘维尔有一个非退化的零模式。通过概率守恒,我们可以证明一个一般的开放系统在长时间内达到一个定态,这个定态与任何初始条件无关。

英文摘要:

An equation of motion for open quantum systems incorporating memory effects and initial correlations with the environment is presented in terms of an effective Liouville operator that solely acts on states of the system. The environment can induce memory effects via the frequency dependence of the effective Liouville and initial correlations can be mapped to a shifted frequency dependent initial state within the system. The equation of motion generalizes the well known semi-group dynamic equations. In generic systems the effective Liouville has a non-degenerate zero mode. By probability conservation one can demonstrate that a generic open system reaches, in the long time limit, a stationary state, which is independent of any initial condition.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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