研究了在高Q Kerr介质腔中,级联三能级原子与二项式光场相互作用过程中场熵的演化特性,数值计算结果表明;当原子初态处于非相干叠加态时,附加Kerr介质可以提高场熵的值,使原子和光场之间的纠缠程度增强,超过一定值后场熵值反而会降低,纠缠程度减弱,场熵振荡周期变长;当原子初态处于相干叠加态时,附加Kerr介质会降低场熵的值,原子和光场间的纠缠减弱,只有当介质参数达到一定值后才能提高场熵值,增强纠缠,之后的演化规律和原子处于非相干叠加态时一致.
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