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arXiv 0810.5511quant-ph
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非马尔可夫量子动力学的随机跳跃过程

Stochastic jump processes for non-Markovian quantum dynamics

Heinz-Peter Breuer, Jyrki Piilo

摘要:

结果表明,非马尔可夫主方程的开放系统,这是当地的时间可以解开通过一个分段确定性的量子跳跃过程在其希尔伯特空间。我们推导出一个随机的薛定谔方程,揭示了非马尔可夫效应是如何表现在不同的实现过程之间的统计相关性。此外,我们表明,可能违反的积极性的近似主方程是密切相关的随机薛定谔方程,这可能导致重要的见解的结构表征的积极非马尔可夫运动方程的奇异性。

英文摘要:

It is shown that non-Markovian master equations for an open system which are local in time can be unravelled through a piecewise deterministic quantum jump process in its Hilbert space. We derive a stochastic Schrödinger equation that reveals how non-Markovian effects are manifested in statistical correlations between different realizations of the process. Moreover, we demonstrate that possible violations of the positivity of approximate master equations are closely connected to singularities of the stochastic Schrödinger equation, which could lead to important insights into the structural characterization of positive non-Markovian equations of motion.

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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