Optical and physical properties of hydrocarbons with metal impurities in the warm dense matter regime
Optical and physical properties of hydrocarbons with metal impurities in the warm dense matter regime
复制标题
热致密物质状态下含有金属杂质的碳氢化合物的光学和物理性质
DOI:
10.1063/5.0033776
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发表时间:
2021-02
影响因子:
2.2
通讯作者:
Zhenghong Li
中科院分区:
文献类型:
--
作者:
Yu Cao;Yanyun Chu;Zhen Wang;Jianmin Qi;Lin Zhou;Zhenghong Li
The hydrocarbon (CH) polymer is often chosen as the converter material with potential applications to Z-pinch driven dynamic hohlraum implosion experiments. Its physical and optical properties in the warm dense matter regime are important for dynamic hohlraum platform designs. Using the quantum molecular dynamics (QMD) method, we have obtained the equation of state, absorption coefficient, and reflectivity of hydrocarbon and Al–CH mixtures with the temperature and density ranging from 104–106 K and 0.1–0.9 g/cm3, respectively. The QMD-predicted principal Hugoniot data are compared with experiments as well as the theoretical calculations, and both show good agreement. The optical reflectivity from the corresponding dielectric functions is calculated using the corrected refraction index of the ambient (n0 = 1.59). Besides, we have further analyzed the atomic structure and bond dissociation process of polystyrene and Al–CH mixture systems using a bond tracking method with the temperature ranging from 1000 K to 10 000 K. The Al impurities have a slightly promoting effect on the initial stage of polystyrene pyrolysis. The calculation results can be helpful for future theoretical and experimental studies in high energy density physics research.
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影响因子:
5.1
作者:
Fuyuan Wu;Yanyun Chu;Rafael Ramis;Zhenghong Li;Yanyun Ma;Jianlun Yang;Zhen Wang;Fan Ye;Zhanchang Huang;Jianmin Qi;Lin Zhou;Chuan Liang;Shijia Chen;Zheyi Ge;Xiaohu Yang;Shangwu Wang
通讯作者:
Shangwu Wang
影响因子:
3.7
作者:
Kresse, G;Furthmuller, J
通讯作者:
Furthmuller, J
DOI:
10.1016/j.cpc.2004.06.054
发表时间:
2003-09
期刊:
Comput. Phys. Commun.
影响因子:
--
作者:
A. Robinson;C. Garasi
通讯作者:
A. Robinson;C. Garasi
影响因子:
2.1
作者:
Feng, J.;Xiao, B.;Zhou, R.
通讯作者:
Zhou, R.
影响因子:
3.7
作者:
D. Horner;J. Kress;L. Collins
通讯作者:
D. Horner;J. Kress;L. Collins