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arXiv quant-ph/0212009quant-ph
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旋转波系统-储层耦合:非马尔可夫状态下的局限性和意义

The rotating wave system-reservoir coupling: limitations and meaning in the non-Markovian regime

F. Intravaia, S. Maniscalco, A. Messina

摘要:

本文研究了量子谐振子与玻色库相互作用系统的耗散动力学。比较了基于旋转波的主方程和基于Feynman-Vernon系统-水库耦合的主方程,突出了差异和类比。定量和定性地讨论了可以忽略反转项的条件。通过比较相对于两种不同的耦合模型的热函数的解析解,我们得出结论,即使在弱耦合的限制,反向旋转的条款引起了显着的贡献,在非马尔可夫短时间制度。本文的主要结果是,这样的贡献实际上是实验测量的,因此相关的系统动力学的正确描述。

英文摘要:

This paper deals with the dissipative dynamics of a quantum harmonic oscillator interacting with a bosonic reservoir. The Master Equations based on the Rotating Wave and on the Feynman-Vernon system--reservoir couplings are compared highlighting differences and analogies. We discuss quantitatively and qualitatively the conditions under which the counter rotating terms can be neglected. By comparing the analytic solution of the heating function relative to the two different coupling models we conclude that, even in the weak coupling limit, the counter rotating terms give rise to a significant contribution in the non--Markovian short time regime. The main result of this paper is that such a contribution is actually experimentally measurable and thus relevant for a correct description of the system dynamics.

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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