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Kerr介质中失谐量对级联三能级原子纠缠演化的影响

, PP. 434-438

Keywords: 量子光学,级联三能级原子,kerr介质,失谐量,量子纠缠

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Abstract:

利用量子理论,采用数值计算的方法对体系纠缠熵进行分析,得出光场相干参量、模间光子数、Kerr介质系数以及失谐量对级联三能级原子纠缠演化的影响。结果显示纠缠强度随光场强度的增强而逐渐增强,模间光子数的增加可以使纠缠变得稳定。Kerr效应在光子数较多时影响显著。Kerr系数不变时,失谐量的增加会使纠缠强度增强,但这种影响主要体现在相互作用初期。

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