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Mixed Moving Atom Entanglement Transferred from Bell State Light Field

机译:从贝尔状态光场转移的混合运动原子纠缠

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Under different forms of intensity-dependent coupling (IDC), mixed moving atom entanglement transferred from Bell state (BS) light field is investigated. It's found that the atomic motion related to the field-mode structure parameter (FMSP) can make the atom-atom entanglement evolve periodically. The periodical constant evolvement of the entanglement can be realized for some atomic initial states without IDC. When FMSP increases, the atom-atom entanglement is severely destroyed and even completely eliminated for larger FMSP irrespective of time and the initial atomic state. But under suitable forms of IDC, the atom-atom entanglement is not only revived, but also enhanced to be maximally entangled even for the mixed initial atomic states. These corresponding forms of IDC can be used as appropriate switchers to turn the entanglement on and off. The periodicity of the entanglement evolvement is also kept.
机译:在不同形式的强度依赖耦合(IDC)下,研究了从贝尔状态(BS)光场转移的混合运动原子纠缠。发现与场模式结构参数(FMSP)有关的原子运动可以使原子与原子的纠缠周期性地发生。对于某些没有IDC的原子初始状态,可以实现纠缠的周期常数演化。当FMSP增加时,无论时间和初始原子状态如何,对于较大的FMSP,原子-原子的缠结都会被严重破坏,甚至完全消除。但是在合适的IDC形式下,原子-原子的纠缠不仅可以恢复,而且可以增强,即使对于混合的初始原子态也可以最大程度地纠缠。这些对应形式的IDC可以用作适当的切换器以打开和关闭纠缠。纠缠演化的周期性也得以保持。

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