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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Hund's cases ： ウィキペディア英語版 Hund's cases In rotational-vibrational and electronic spectroscopy of diatomic molecules, Hund's coupling cases are idealized cases where specific terms appearing in the molecular Hamiltonian and involving couplings between angular momenta are assumed to dominate over all other terms. There are five cases, traditionally notated with the letters (a) through (e). Most diatomic molecules are somewhere between the idealized cases (a) and (b). == Angular momenta == To describe the Hund's coupling cases, we use the following angular momenta: *$\backslash mathbf\; L$, the electronic orbital angular momentum *$\backslash mathbf\; S$, the electronic spin angular momentum *$\backslash mathbf\; J\_a=\backslash mathbf\; L+\backslash mathbf\; S$, the total electronic angular momentum *$\backslash mathbf\; J$, the total angular momentum of the system *$\backslash mathbf\; N=\backslash mathbf\; J-\backslash mathbf\; S$, the total angular momentum minus the electron spin *$\backslash mathbf\; R=\backslash mathbf\; N-\backslash mathbf\; L$, the rotational angular momentum of the nuclei 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hund's cases」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.