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；
The equation of three step photoionization for describing the field and the density matrix as well as the atomic population was derived.
推导了三步光电离的场方程组和原子布居的密度矩阵方程组。
The atomic population evolution vs. time in the system of two two-level coupling-atoms interacting with squeezed coherent light field is investigated.
利用全量子理论，在相互作用绘景中研究了两个耦合二能级原子与单模压缩相干态光场相互作用系统粒子布居几率的时间演化规律；
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。
It should be noted that the atomic coupling coefficient exhibits the nonlinear effect and the entanglement measure oscillates periodically in accordance with atomic population inversion.
值得一提的是可得出原子间耦合作用强度对纠缠量的非线性效应，并且纠缠量展现出与原子反转粒子数一致的周期振荡现象。
The atomic situation is now at the end point of this process: the power to expose a whole population to death is the underside of the power to guarantee an individual's continued existence.
如今，核局势是这种进程的终点：这种将全体人民暴露给死亡的力量，是保障个体继续生存的权力的阴暗面。
It is found that the atomic quantized translational motion sensitively depends on the atomic internal state population.
结果表明原子量子化平移运动敏感地依赖于原子的内态布居。
The relation between the statistical probability of atomic level population and the squeezing is studied by numerical calculations.
通过数值计算，讨论了原子能级布居的统计几率与压缩的关系。
In this paper, their interaction between the two-level atomic quantized translational motion and internal state population in a quantized standing-wave cavity are studied.
讨论了在驻波腔场中两能级原子的量子化平移运动与原子内态布居间的相互影响。
The above section very accurately describes what an atomic explosion would look like and the effects of the radioactivity on the population.
上述部分很明确地描述了核爆炸的情形，人们受到辐射感染的效果。
With the C- R model, on the condition of given plasma parameters, we calculated the "pure atomic" relaxation and population of Li- like Al ions.
本文运用碰撞—辐射模型，在给定的等离子体参数条件下，计算了“纯原子”弛豫过程及各能级的粒子数布居，并对计算结果进行了讨论。
The influence of atomic internal state population on its translational motion in a quantized standing wave cavity field with spatial periodic structure is investigated.
基于原子作双光子共振跃迁的原子场缀饰态 ，讨论了驻波腔场中两能级原子的量子化平移运动与原子内态布居间的相互影响。
The influence of atomic internal state population on its translational motion in a quantized standing wave cavity field with spatial periodic structure is investigated.
基于原子作双光子共振跃迁的原子场缀饰态 ，讨论了驻波腔场中两能级原子的量子化平移运动与原子内态布居间的相互影响。
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