构造了辐射场的一类新的非经典态，即双模真空态与相干态的叠加态。
A new class of non-class of non-classical state of the radiation field is constructed, which is called superposed state of two-mode vacuum state and two-mode coherent state.
两个不同的自旋相干态的叠加态具有非经典的特性，反聚束效应是这类叠加态的非经典效应之一。
The superpositions that are built with two different spin coherent states on the basis of superposition principle of states, as the typical schrdinger cat states, exhibit the nonclassical properties.
分别对几种叠加态——真空态与相干态的叠加态、奇相干态、偶相干态以及奇、偶相干态分别与真空态的叠加态的压缩性质进行讨论。
A discussion is made about the squeezing properties of several superpositions, the vacuum state with coherent state or odd and even coherent state.
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