利用全量子理论和量子信息中的保真度理论,研究了玻色 - 爱因斯坦凝聚原子与二项式光场相互作用系统的保真度.讨论了原子间相互作用强度,处于基态时超冷原子数和光场参数的不同取值对系统保真度的影响.结果表明,通过改变原子间相互作用强度和基态原子数可以改变系统保真度的幅值和振荡周期,而光场参数的改变只影响保真效果.适当选取参量可以得到较好量子信息保真.
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