Acta Physica Sinica, Volume. 69, Issue 9, 099101-1(2020)

Investigation on equation of state and ionization equilibrium for aluminum in warm dense matter regime

Tian-Hao Wang1, Kun Wang1、*, Yue Zhang2, and Lin-Cun Jiang2
Author Affiliations
  • 1State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, China
  • 2Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province, Hebei University of Technology, Tianjin 300130, China
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    Figures & Tables(8)
    The pressure of aluminum plasma calculated by different models as a function of temperature at density of 0.1 g/cm3.
    Contour map of average ionization degree of aluminum plasma as a function of density and temperature.
    Dependence of relative particle fraction of different particles on temperature at density of 0.1 g/cm3.
    Average ionization degree of aluminum plasma calculated by different models as a function of density at different temperatures: (a) 10000 K; (b) 15000 K.
    Free energy density of different non-ideal effects and relative particle fraction for electrons and atoms as a function of density at different temperatures: (a) Coulomb interaction; (b) excluded volume effect; (c) polarization effect; (d) relative particle fraction for electrons and atoms.
    Dependence of non-ideal chemical potential of particles on density at temperature of 15000 K.
    Depression of ionization potential calculated by different models as a function of density at 15000 K. Black lines correspond to nonideal Saha equation; red lines correspond to DmEK model.
    • Table 1. Parameters of equation of state and ionization equilibrium model.

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      Table 1. Parameters of equation of state and ionization equilibrium model.

      参数参数参数
      R02.5714R60.4167E32.0909
      R12.3377rc1.7712E48.8192
      R22.1429mk24597E511.3059
      R30.4678αD46.281E614.0008
      R40.4494E10.4400
      R50.4324E21.3839
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    Tian-Hao Wang, Kun Wang, Yue Zhang, Lin-Cun Jiang. Investigation on equation of state and ionization equilibrium for aluminum in warm dense matter regime[J]. Acta Physica Sinica, 2020, 69(9): 099101-1

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    Paper Information

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    Received: Dec. 2, 2019

    Accepted: --

    Published Online: Nov. 26, 2020

    The Author Email:

    DOI:10.7498/aps.69.20191826

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