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考虑到失谐量和初始原子相干性，研究了双光子Ｊａｙｎｅｓ－Ｃｕｍｍｉｎｇｓ模型中原子的压缩行为。研究表明，失谐量对场－原子相互作用中的原子压缩行为的影响很大。通过数值计算，还讨论了初始平均光子数与原子压缩的关系。In the present paper, considering the detuning and the initial atomic coherence, dipole squeezing in two-photon Jaynes-Cummings model is investigated by means of the time-evolution operator method. The influence of the frequency detuning on the dipole squeezing in interaction of field with atom and the relation between the mean photon number and the dipole squeezing are studied by numerical calculations.
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