首先介绍了Wigner函数的基本性质以及以Wigner函数为基础的相空间定态微扰理论,然后将其应用到一维无限深势阱和谐振子.推导出一维无限深势阱所对应的Wigner函数,而且发现了存在于其纯态Wigner函数中奇特的压缩效应,并利用不确定性关系给予了解释.同时计算出一维无限深势阱和谐振子在微扰的作用下,相应Wigner函数和能级的修正.
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