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3 / 2023-02-22 15:05:27
Ion core effect on transport and relaxation properties in dense plasmas
dense plasma,inertial confinement fusion,ion transport,relaxatian,ion core
惯性约束聚变物理学 > 内爆和不稳定性-海报
摘要录用
Moldir Issanova / IETP； Al-Aarabi Kazakh National University
Tlekkabul Ramazanov / Al-Farabi Kazakh National University
Sandugash Kodanova / IETP, Al-Farabi Kazakh National University
Intensive studies of the properties of dense plasma were triggered by the idea of realization of inertial confinement fusion [1-2]. Knowledge about transport and dynamic properties of such dense plasmas is needed to understand experimental results and to design new experiments. In this work, we present the results of calculations of the transport and relaxation properties of dense plasma at ICF parameters. Transport and relaxation properties are studied on the basis of screened electron-ion interaction potentials [3-4]. A pseudopotential approach was used to study the effect of an ionic core on the electron-ion scattering in dense plasmas. Screening of the ion charge is taken into account using the density response function in the long wavelength limit [5-6]. Additionally, the effect of electronic non-ideality is included using the compressibilty sum-rule connecting the local field correction and the exchange correlation part of the electronic free energy density. Using screened pseudopotential, we have computed electron-ion scattering phase shifts, the total elastic scattering cross section, and the transport cross section. It is found that the ionic core leads to the strong decrease of the scattering cross sections, transport, relaxation properties. To show the correctness of the model, its results are compared with the results of MD and QMD simulations [7].

 
重要日期

  • 会议日期

    06月05日

    2023

    至

    06月09日

    2023

  • 04月30日 2023

    提前注册日期

  • 05月01日 2023

    摘要截稿日期

  • 05月01日 2023

    摘要录用通知日期

  • 05月01日 2023

    初稿截稿日期

  • 05月31日 2023

    注册截止日期

主办单位
等离子体物理重点实验室
北京师范大学天文系
承办单位
Matter and Radiation at Extremes期刊
中国工程物理研究院流体物理研究所
北京应用物理与计算数学研究所
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