Non-ideal effects on ionization potential depression and ionization balance of dense Au plasmas
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摘要
The thermodynamic as well as optical properties of strongly coupled plasmas depends crucially on the average degree of ionization and the ionic stage composition, which, however, cannot be determined by using the normal Saha equation usually used for the ideal plasmas. Hence, an adequate treatment of the ionization balance and the charge states distribution of strongly coupled plasmas is still a challenge for theory due to the interactions between the electrons and ions and among the electrons themselves. Based on a local density temperature-dependent ion-sphere model, the Saha equation approach is extended to the regime of strongly coupled plasmas by taking into account the free-electron-ion interaction, the free-free-electron-interaction, the non-uniform free-electron space distribution, and the free-electron quantum partial degeneracy. Gold is an important element in inertial confinement fusion confusion which deserves deep investigation. The results show that the phenomenon of two- and three-peak peak structures of the charge state distribution is common for dense Au plasmas above a density of 10 g/cm3.

 
关键词
dense Au plasmas,non-ideal characteristics,ionization potential depressions,ionization balance,charge state distribution
报告人
一骅 黄
浙江工业大学

稿件作者
一骅 黄 浙江工业大学
圳灏 梁 浙江工业大学
交龙 曾 浙江工业大学
建民 袁 中国工程物理研究院研究生院
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    05月13日

    2024

    05月17日

    2024

  • 03月31日 2024

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  • 04月15日 2024

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冲击波物理与爆轰物理全国重点实验室
浙江大学物理学院
中国核学会脉冲功率技术及其应用分会
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