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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
On the basis of the Bloch equations we argue once more that in studying quantum dissipation one has to pay attention to the von Neumann conditions.
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Influence of nonlinear quantum dissipation on the dynamical
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Particularities of both cases are determined by the topological nature of stationary excited states (acoustic polarons or amplitude solitons) and by the presence of gapless phonons that change the usual dynamics to the quantum dissipation regime.
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This paper takes both aspects into account for the most simple model, and thus gives a direct and clean picture of the quantum dissipation process.
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In this paper, a microscopic approach treating the quantum dissipation process presented by Yu and Sun Phys.
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| | An exact analytical solution was obtained in a typical dissipation system which can be used to generate squeezed state of light. We used the non - master equation and this provides a brief and precise way of solving the problems of many quantum dissipation systems. | | 对于一个用于产生压缩态的典型的耗散系统,我们利用非主方程方法,得到其严格的解析解。这种处理方法为解决许多量子耗散问题提供了一种精确(不作任何近似)而简洁的途径。 | | 文摘来源 | | In connection with the recent experiments on quantum measurement, such as the “which-way”detection using the Bragg scattering of cold atoms and quantum interference using a small molecular C 60 quantum system, we introduce the quantum measurement problem and its relevant fundamental concepts and ideas, such as quantum coherence, quantum decoherence and quantum entanglement. In order to understand the loss of quantum coherence for a quantum system du... | | 文章结合最近完成的量子测量实验 (如用冷原子Bragg散射实现的“which way”实验和用C60 分子完成的小系统量子干涉实验 ) ,比较系统地介绍了量子测量问题及其相关的基本概念和基本思想 ,如量子相干、量子退相干和量子纠缠 .从理论和实验结合的角度 ,讨论了外部环境和内部运动怎样诱导量子退相干和量子耗散 ,由此探讨了“薛定谔猫佯谬”和“宏观物体空间局域化描述”的物理解释 .最后 ,文章简单地描述了量子计算和量子通信等基本量子信息过程 ,并讨论了量子退相干效应对它们的影响 . | | 文摘来源 | | Using our recently developed quantum dissipation theory, we study the influence of dissipation on the population transfer efficiency between the stimulated Raman adiabatic passage (STIRAP) and the pump dump passage in a simple three level Λ system. By comparison, STIRAP is found to be relatively insensitive to the relaxation and fluctuation of the intermediate state. Numerical results also demonstrate the applicability of the new quantum dissipation theory for studying the co... | | 应用最近发展的量子耗散理论 ,研究了耗散对简单三能级体系的受激拉曼绝热转移过程的影响 ,并与pump dump过程比较 .计算结果表明 ,受激拉曼绝热转移的机制能很好地抑制中间态的弛豫与涨落的影响 .数值结果也表明了新的量子耗散理论可以正确地描述场与耗散相互耦合的动力学问题 | | 文摘来源 | |   |
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