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偶极相互作用对T-C模型中原子纠缠突然死亡的影响

, PP. 681-688

Keywords: 量子光学,x态,偶极相互作用,共生纠缠度,纠缠突然死亡,相互作用能

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Abstract:

求出了初态为x态时Tavis-Cummings模型中两个有偶极相互作用原子的共生纠缠度,分析了偶极相互作用对纠缠的时间演化和纠缠突然死亡(ESD)的影响,以及共生纠缠度与原子间相互作用能的关系.结果表明,偶极相互作用对原子间的纠缠和ESD有显著的影响,会改变纠缠度的振荡周期和振幅,使出现ESD的时间间隔和次数减少.原子间的共生纠缠度与原子间相互作用能有着明显的对应关系,这种关系与原子的初态有关.

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