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arXiv quant-ph/0602184quant-ph
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关于弱耦合系统主方程初始因子分解的假设I:一般框架

On the Assumption of Initial Factorization in the Master Equation for Weakly Coupled Systems I: General Framework

S. Tasaki, K. Yuasa, P. Facchi, G. Kimura, H. Nakazato, I. Ohba, S. Pascazio

摘要:

我们分析了量子力学系统的动力学与水库的相互作用时,初始状态是不因式分解。在弱耦合(van Hove)极限下,动力学可以用主方程来描述,但Nakajima-Zwanzig投影方法的一致应用要求油藏的参考(不一定是平衡)状态具有混合特性。

英文摘要:

We analyze the dynamics of a quantum mechanical system in interaction with a reservoir when the initial state is not factorized. In the weak-coupling (van Hove) limit, the dynamics can be properly described in terms of a master equation, but a consistent application of Nakajima-Zwanzig's projection method requires that the reference (not necessarily equilibrium) state of the reservoir be endowed with the mixing property.

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