General construction of mean-field potential and its application to the multiphase equations of state of tin

Zhang L.; Li Y.-H.; Yu Y.-Y.; Li X.-M.; Ma Y.; Gu C.-G.; Dai C.-D.; Cai L.-C.

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General construction of mean-field potential and its application to the multiphase equations of state of tin

机译：平均场势的一般构造及其在锡多相态方程中的应用

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The mean-field potential (MFP) approach is an efficient way to evaluate the free energy contribution of ion motions for both solid and liquid states. In this paper the MFP is generally constructed with a volume-dependent term and a shape function. The former is derived in accordance with quasi-harmonic approximation. The latter is given semi-empirically. Application to multiphase equations of state for b-, g- and liquid-tin has been examined. The theoretical phase diagram and thermodynamic properties of isotherm, thermal expansion, heat capacity, Hugoniot states as well as phase transitions are all in excellent agreement with experiments.

机译：平均场势（MFP）方法是评估固态和液态离子运动的自由能贡献的有效方法。在本文中，MFP通常使用体积相关项和形状函数构造。前者是根据准谐波近似导出的。后者是半经验的。已经研究了b-，g-和液态锡在多相状态方程中的应用。等温线的理论相图和热力学性质，热膨胀，热容，Hugoniot状态以及相变都与实验非常吻合。

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《Physica, B. Condensed Matter》 |2011年第22期|共7页
作者
Zhang L.; Li Y.-H.; Yu Y.-Y.; Li X.-M.; Ma Y.; Gu C.-G.; Dai C.-D.; Cai L.-C.;
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正文语种 eng
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关键词
Equation of state; Mean-field approach; Phase equilibrium;

机译：状态方程;平均场法;相平衡;

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1. General construction of mean-field potential and its application to the multiphase equations of state of tin [J] . Zhang L., Li Y.-H., Yu Y.-Y., Physica, B. Condensed Matter . 2011,第22期

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General construction of mean-field potential and its application to the multiphase equations of state of tin

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