摘要:
本文详细地介绍了温稠密物质物态方程的理论模型,其中包括液体变分微扰理论、化学图像模型、离化电离平衡模型、平均原子模型和INFERNO模型;给出了混合物物态方程的计算方法;对第一原理分子动力学和量子蒙特卡罗方法进行了介绍;对一些典型材料(如氢、氘、氦、氙、金、钨等)在温稠密区的物态方程进行了计算和总结;分析了离解、电离效应对物态方程的影响.
Abstract:
In this paper, we present in detail various theoretical models for studying the equation of state of warm dense matter, including the fluid variational theory, the chemical model, the ionization equilibrium model, the average atom model and INFERNO model. The method of calculating the equation of state of a mixture is also given. The results from the first principles molecular dynamics simulation and the quantum Monte Carlo simulation are also provided. Typical materials such as hydrogen, deuterium, helium, xenon, gold, tungsten, etc. are studied in warm dense region by using all the methods, showing the effects of dissociation and ionization in the equation of state.
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