the atomic population inversion 时原子布居数反转
The value of atomic population inversion in a Yurke-Stoler coherent state is between them.
偶相干态光场中原子布居数反转的衰减速度较慢；
With the increase of the average photon number of the coherent light field, the oscillation frequency of the atomic population inversion increases correspondingly.
随相干光场平均光子数的增加粒子数反转的振荡频率增大；
When the squeezing coefficient of the initial field increases, the frequency of collapse-revival in atomic population inversion increases, and the amplitude of revival decreases.
研究结果表明，初始光场的压缩系数增大，崩塌和回复的频率增大，回复值减小。
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