Liquid heat capacity in the approach from the solid state: Anharmonic theory
Liquid heat capacity in the approach from the solid state: Anharmonic theory
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DOI：
10.1103/physrevb.84.054106
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发表时间：
2011-08-09
影响因子：
3.7
通讯作者：
Trachenko, Kostya
中科院分区：
文献类型：
--
作者：
Bolmatov, Dima;Trachenko, Kostya
计算一般形式的液体能量和热容是凝聚态物理学中的一个悬而未决的问题。我们通过考虑非谐性和热膨胀对液体能量和热容的贡献，开发了一种从固态到液体的最新方法。随后，我们将理论预测与五种常见液体的实验结果进行比较，发现在没有自由拟合参数的情况下具有良好的一致性。我们讨论并将所提出的理论与以前的方法进行比较。
Calculating liquid energy and heat capacity in general form is an open problem in condensed matter physics. We develop a recent approach to liquids from the solid state by accounting for the contribution of anharmonicity and thermal expansion to liquid energy and heat capacity. We subsequently compare theoretical predictions to the experiments results of five commonly discussed liquids, and find a good agreement with no free fitting parameters. We discuss and compare the proposed theory to previous approaches.