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arXiv 0909.1297quant-ph
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开放量子系统中的纠缠和熵率

Entanglement and entropy rates in open quantum systems

Fabio Benatti, Alexandra M. Liguori, Giacomo Paluzzano

摘要:

我们研究了最近的一个猜想的行为量子相对熵相比,相对熵的纠缠在开放的二分系统。该猜想指出,在耗散时间演化下,相对熵的正变化率总是大于纠缠的相对熵的正变化率。在明确地求解了一个Lindblad型的两量子比特的主方程的可分离和纠缠的定态后,我们证明了该猜想可以被违反的初始状态与纠缠的渐近状态,而它似乎被证实时,渐近状态是可分离的。

英文摘要:

We study a recent conjecture about the behavior of the quantum relative entropy compared to the relative entropy of entanglement in open bipartite systems. The conjecture states that, under a dissipative time-evolution, the positive rate of change of the relative entropy will always be larger than that of the relative entropy of entanglement. After explicitly solving a two-qubit master equation of Lindblad type with separable and entangled stationary states, we show that the conjecture can be violated for initial states with an entangled asymptotic state, while it appears to be confirmed when the asymptotic states are separable.

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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