原子分子中的永久电偶极矩PERMANENT ELECTRIC DIPOLE MOMENT IN ATOMS AND MOLECULES
王黎明
摘要(Abstract):
电偶极矩是一个重要的物理概念,在经典物理学、原子分子物理学、核物理学以及基本粒子物理学中都有重要的应用。但是,文献中经常出现的“永久电偶极矩”这个概念在原子物理学和分子物理学中有着不完全相同的含义却使用了同样的名称,对原子分子物理学的初学者和不熟悉这一领域的人来说,这难免会引起误解。本文特别澄清了永久电偶极矩这个概念的两种不同含义以及它们之间的关系,并以氨分子为例做了具体的展示。文章最后还对基本粒子的电偶极矩做了简单的讨论。
关键词(KeyWords): 永久电偶极矩;斯塔克效应;简并;氨分子
基金项目(Foundation):
作者(Author): 王黎明
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