经典驱动Tavis-Cummings模型中原子纠缠特性的研究

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研究了受经典场驱动的两个二能级原子与单模腔场相互作用系统中两原子的纠缠动力学行为。该工作主要是对原子间的偶极子偶极子(偶偶)相互作用和经典场驱动同时存在的Tavis-Cummings模型进行了研究,采用数值计算的方法,详细分析了经典场的驱动强度、原子间的偶偶相互作用强度和原子与腔场之间的失谐量对原子纠缠特性的影响。同时讨论了原子与腔场共振和非共振两种情况下,原子间偶偶相互作用和经典场驱动强度的最优参数区域。结果表明,适当调节经典场的驱动强度,原子间的偶偶相互作用强度和原子与腔场之间的失谐量,可以使原子的纠缠突然死亡现象得到抑制。
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