Mixing-rules calculations and AAMD simulations for EOSs of deuterium–xenon mixtures

Author:

He Zhencen12,Hu Zhimin2,Hou Yong3,Yang Jiamin2,Yuan Jianmin4,Jiang Gang1,Zhang Jiyan2,Dong Yunsong2,Huang Chengwu2

Affiliation:

1. Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China.

2. Laser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, China.

3. Department of Physics, National University of Defense Technology, Changsha 410073, China.

4. Graduate School, China Academy of Engineering Physics, Beijing 100193, China.

Abstract

We present the calculated equations of state (EOSs) for deuterium–xenon mixtures using mixing rules. Three mixing rules, which are the ideal rule, volume rule, and pressure rule, were used for the calculations, and the thermodynamic self-consistency was evaluated. The volume rule predicts the pressures of mixtures rather accurately, but it fails in the predictions of energies. The pressure ionization has an impact on energy and pressure. Furthermore, the calculated results of the mixing rules were compared with average-atom molecular dynamics (AAMD) simulations, and the pressure rule performs better than the ideal and volume rules over the investigated range.

Publisher

Canadian Science Publishing

Subject

General Physics and Astronomy

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