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题名: Gas-Fluid and Fluid-Solid Phase Instability for Restricted Primitive Model
作者: Guo Yuan-Yuan ;  陈晓松
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2009
卷号: 52, 期号:2, 页码:356-360
关键词: HARD-SPHERE MODEL ;  EQUILIBRIUM
学科分类: Physics
通讯作者: Guo, YY , Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
部门归属: [Guo, YY; Chen, XS] Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: By considering the fluctuation of grand potential Omega around equilibrium with respect to small one-particle density fluctuations delta rho(alpha)((gamma) over right arrow), the phase instability of restricted primitive model (RPM) of ionic systems is investigated. We use the integral equation theory to calculate the direct correlation functions in the reference hypernetted chain approximation and obtain the spinodal line of RPM. Our analysis explicitly indicates that the gas-fluid phase instability is induced by k = 0 fluctuation mode, while the fluid-solid phase instability is related to k not equal 0 fluctuation modes. The spinodal line is qualitatively consistent with the result or computer simulations by others.
资助者: National Natural Science Foundation of China[10325418]
收录类别: SCI
WOS记录号: WOS:000269337600032
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5261
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Guo Yuan-Yuan,Chen Xiao-Song. Gas-Fluid and Fluid-Solid Phase Instability for Restricted Primitive Model[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2009,52(2):356-360.
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