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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 Rotational partition function ： ウィキペディア英語版 Rotational partition function The rotational partition function relates the rotational degrees of freedom to the rotational part of the energy. == Definition == The total canonical partition function $Z$ of a system of$N$ identical, noninteracting atoms or molecules can be divided into the atomic or molecular partition functions 〔Donald A. McQuarrie, ''Statistical Mechanics'', Harper \& Row, 1973 〕 $\backslash zeta$. : $Z\; =\; \backslash frac$ with : $\backslash zeta\; =\; \backslash sum\_j\; g\_j\; e^$ Where $g\_j$ is the degeneracy of the j'th quantum level of an individual particle, $k\_B$ is the Boltzmann constant, and $T$ is the absolute temperature of system. for molecules, under the assumption that that total energy levels $E\_j$ can be partitioned into its contributions from different degrees of freedom (weakly coupled degrees of freedom)〔Donald A. McQuarrie, ''ibid'' 〕 : $E\_j\; =\; \backslash sum\_i\; E\_j^\; =E\_j^+\; E\_j^+\; E\_j^+E\_j^+E\_j^$ and the number of degenerate states are given as products of the single contributions : $g\_j\; =\backslash prod\_i\; g\_j^i\; =g\_j^\; g\_j^\; g\_j^g\_j^g\_j^,$ where "trans", "ns", "rot", "vib" and "e" denotes translational, nuclear spin, rotational and vibrational contributions as well as electron excitation, the molecular partition functions : $\backslash zeta=\backslash sum\_j\; g\_j\; e^$ can be written as a product itself : $\backslash zeta\; =\backslash prod\_i\; \backslash zeta^i\; =\backslash zeta^\; \backslash zeta^\; \backslash zeta^\backslash zeta^\backslash zeta^.$ 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「Rotational partition function」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.