non-degenerate level 非退化级
degenerate e level 简并能级
degenerate V-type three-level atom 简并V型三能级原子
degenerate atomic level 原子能级简并
degenerate two-level system 简并二能级系统
two-level degenerate systems 简并二能级系统
We have studied the level crossing effect in degenerate four-wave mixing and compared it with the level crossing effect in resonance fluorescence.
研究了简并四波混频的能级交叉效应，并与共振荧光的能级交叉效应比较。
This paper reveals that the group velocity of a weak laser probe field can be manipulated by controlling the intensity of the driving field applied to a near-degenerate closed three-level V system.
在近简并的封闭三能级V系统中，一束弱激光探测场的群速度可以通过控制一单色驱动场的强度实现慢光速到超光速的转换。
Thus the second-lowest energy level of the particle in a cube is threefold degenerate.
于是立方体中的第二最低能级是三重简并的。
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