Entropy of liquid alkali metals studied by the correlation expansion method

NCU Institutional Repository > 理學院 > 物理研究所 > 期刊論文 > Item 987654321/39128

jsp.display-item.identifier=請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/39128

题名:	Entropy of liquid alkali metals studied by the correlation expansion method
作者:	Lai,SK;Fang,JN
贡献者:	物理研究所
关键词:	PLASMA REFERENCE SYSTEMS;HELMHOLTZ FREE-ENERGY;SIMPLE FLUIDS;HARD-SPHERE;THERMODYNAMICS;SIMULATION;ALLOYS
日期:	1997
上传时间:	2010-07-08 14:05:48 (UTC+8)
出版者:	中央大學
摘要:	We investigate the temperature-dependences of the entropies of liquid alkali metals using a correlation expansion scheme with the computer-simulated pair correlation functions as sole input data. It was found that the ensemble invariant or the local form entropy formula is an appropriate and practical expression to use in numerical study of entropy. Our results show that ii is now possible to understand the contradictory trend found between the excess entropy and the static liquid structure factor S(q) in the application of the thermodynamic perturbative or variational theory. Numerically the predicted values are fairly accurate near the freezing temperature of all four liquid alkali metals but they begin to deteriorate at higher temperatures. The implication is that at high temperatures the density fluctuation effects in the small q region of S(q) become dominant and, as shown in present work, play a non-negligible role in the entropy calculation.
關聯:	CHINESE JOURNAL OF PHYSICS
显示于类别:	[物理研究所] 期刊論文

文件中的档案:

档案	描述	大小	格式	浏览次数
index.html		0Kb	HTML	364	检视/开启

在NCUIR中所有的数据项都受到原著作权保护.

社群 sharing