研究了在高Q Kerr介质腔中,关联双模SU(1,1)相干态场与V型、A型和三型三能级原子相互作用的量子纠缠性质.采用数值计算方法,详细讨论了Kerr效应对模场和原子之间纠缠程度的影响.研究发现在高Q Kerr介质腔中,模场与原子之间的纠缠受到Kerr效应影响的规律是一致的,在介质参数达到一定值前,模场与原子之间的纠缠随介质参数的增大而增大,超过这一定值后反而会降低它们之间的纠缠.
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