On the limitations of the equation of state based on the Lennard-Jones potential

被引：0
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作者：
Vandana Agrawal
A. Dwivedi
B. Sharma
机构：
[1] B S Anangpuria Institute of Technology and Management,Department of Physics
[2] Institute of Basic Sciences,undefined
来源：
Indian Journal of Physics | 2009年 / 83卷
关键词：
Equation of state Lennand-Jones potential; bulk modulus; 51.30.+i; 05.70.ce; 64.10.+h;
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摘要：
It is emphasized that any equation of state (EOS) based on the generalized Lennard-Jones potential or the Mie potential, suffers from two main shortcomings as pointed out by Stacey and Davis [2]. One of the shortcomings viz. the problem related to imaginary numbers for the exponents in the potential function, has been removed recently by Jiuxun [11] by using a relationship between the exponents. However, the modified EOS obtained by Jiuxun suffers from the second shortcoming viz. it gives lower values for −B0B″0, an important equation of state parameter related to the second pressure derivative of the bulk modulus. Values of B0B″0 obtained by Jiuxun are not consistent with those reported by Stacey and Davis.
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页码：227 / 232
页数：5
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