在梯形三能级原子系统中,用段路明等提出的纠缠判据讨论了注入原子相干对双模腔场纠缠的影响.结果表明,只有在原子相干存在时,双模腔场的纠缠态才能产生.在增益系数一定的情况下,双模腔场的纠缠度随着失谐量的变大先变大然后变小.在失谐量一定的情况下,双模腔场的纠缠度随着增益系数的变大而变大.在失谐量为零的情况下,不管原子相干是否存在,双模腔场的纠缠态都不能产生.
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