Among the models proposed for theoretically calculating wide-range equations of state of matter we single out: the ionization — chemical equilibrium model for the gas — plasma state of matter containing a qualitatively new nonidealness correction, the microfield correction; the quantum — statistical model for compressed condensed matter; the quasiband model for the transition region between these states. It is shown that, taken together, these models are in good agreement with experiments, give the most accurate equation of state in the supercritical region to date, and provide a qualitative explanation of the optical properties of matter.
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The work was performed with the financial support of the Russian Fund for fundamental research (Grant No. 93-01-861, TEFIS computer library of thermophysical properties of matter).
Institute of Mathematical Modeling, Russian Academy of Sciences. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 11–31, April, 1995.
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Volokitin, V.S., Golosnoi, I.O. & Kalitkin, N.N. Wide-range equation of state of matter. II. Microfield model. Russ Phys J 38, 336–354 (1995). https://doi.org/10.1007/BF00560096
- Optical Property
- Statistical Model
- Transition Region
- Chemical Equilibrium Model
- Chemical Equilibrium