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理论物理通讯：英文版

Nonlinear Interaction and Entanglement Transfer from SU（1,1） Coherent State to Mixed Atoms

Zhang, Jinhua, Liang Liang, Mai-Lin, Yuan, Fu-lin

Published Jan 1, 2008• 0 citations
OpenAlex

Abstract

为和联合的紧张依赖者的不同形式的非线性的相互作用，从相关的二模式的苏(1,1 ) 的纠纷转移到开始可分离、混合的原子的协调状态(SCS ) 被调查。联合的合适的紧张依赖者能提高纠纷转移并且让原子纠纷特别为开始混合的原子状态周期性地演变，这被发现。为 SCS，在二个模式之间的纠纷随这些域的二个模式之间的光子数字差别(PND ) 的增加被加强。当 PND 是奇怪的时，在原子之间的纠纷是不到那当 PND 是平的时。

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For nonlinear interactions with different forms of intensity-dependent coupling, entanglement transfer from the correlated two-mode SU(1,1) coherent states (SCS) to the initially separable and mixed atoms is investigated. It is found that suitable intensity-dependent coupling can enhance the entanglement transfer and make the atomic entanglement evolve periodically especially for the initially mixed atomic states. For SCS, the entanglement between the two modes is strengthened with the increase of the photon number difference (PND) between the two modes of the fields. When PND is odd, the entanglement between the atoms is less than that when PND is even.