Considering the initial atomic coherence and the detuning, dipole squeezing of a two-level atom interacting with squeezed vacuum field is studied by means of the time-evolution operator method.
文中采用时间演化算符，考虑到初始原子相干性及失谐量，研究了单个二能级原子与压缩真空态辐射场相互作用中原子的偶极压缩。
The method of dimension synthesis for the path of connecting rods of crank slider mechanism with predetermined time scale by using rotation angle operator of connecting rods is proposed in this paper.
提出了利用连杆转角算子对带有预定时标的曲柄滑块机构连杆轨迹进行尺度综合的方法。
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