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
- Acta Physica Sinica
- Vol. 69, Issue 9, 099101-1 (2020)
Fig. 1. The pressure of aluminum plasma calculated by different models as a function of temperature at density of 0.1 g/cm3.
Fig. 2. Contour map of average ionization degree of aluminum plasma as a function of density and temperature.
Fig. 3. Dependence of relative particle fraction of different particles on temperature at density of 0.1 g/cm3.
Fig. 4. Average ionization degree of aluminum plasma calculated by different models as a function of density at different temperatures: (a) 10000 K; (b) 15000 K.
Fig. 5. 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.
Fig. 6. Dependence of non-ideal chemical potential of particles on density at temperature of 15000 K.
Fig. 7. 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.
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Table 1. Parameters of equation of state and ionization equilibrium model.
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