量子等离子体中变分平均原子的热力学相干(VAAQP)方法
Thermodynamic coherence of the Variational Average-Atom in Quantum Plasmas (VAAQP) approach
摘要:
本文报道了一个新的量子等离子体变分平均原子程序VAAQP。简要回顾了该模型以及以往研究的主要结果。该代码是基于一个新的完全变分模型的致密等离子体在平衡与量子处理的所有电子。该程序可以从维里定理的变分方程计算平均原子结构和平均电离,而不需要Wigner-Seitz球的中性。所得到的电子压强公式很简单,不需要任何数值微分。的代码的主要特点的描述。与VAAQP所获得的结果的热力学一致性示出了通过与另一种方法的铝10 eV等温线EOS曲线的例子进行比较。第一次比较INFERNO型模型也提出。
英文摘要:
A new code called VAAQP (Variational Average-Atom in Quantum Plasmas) is reported. The model as well as main results of previous studies are briefly recalled. The code is based on a new fully variational model of dense plasmas at equilibrium with quantum treatment of all electrons. The code can calculate the Average Atom structure and the mean ionization from the variational equations respecting the virial theorem and without imposing the neutrality of the Wigner-Seitz sphere. The formula obtained for the electronic pressure is simple and does not require any numerical differentiation. A description of the principal features of the code is given. The thermodynamic consistency of the results obtained with VAAQP is shown by a comparison with another approach on the example of the aluminium 10 eV isotherm EOS curve. A first comparison to an INFERNO-type model is also presented.
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