研究了初始处于纠缠态的双原子与相干光场的相互作用.并给出了有任意光子跃迁的J-C模型中量子信息保真度的表达式.还着重比较了单光子跃迁和双光子跃迁J-C模型中不同的失谐量和初始平均光子数对系统,原子和光场的量子信息保真度演化的影响.
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