Thermodynamic properties and plasma phase transition of xenon at high pressure and high temperature

W. Ebeling, A. Förster, W. Richert and H. Hess

Physica A: Statistical Mechanics and its Applications, 1988, vol. 150, issue 1, 159-171

Abstract: By using recent Padé approximations for the Coulombic contribution and hard-core, Van der Waals and polarisation approximations for the atomic contribution, the thermodynamic functions for the nonideal xenon plasma are constructed. These formulae cover a large range of pressure and temperature. Single ionisation is studied by minimising the free energy with respect to the particle numbers. A second critical point is predicted. The coexistence line for the corresponding first order phase transition (weakly ionised plasma - strongly ionised plasma), the lines indicating the soft transition to a higher degree of ionisation at overcritical temperatures, as well as the border of the coexistence area are presented. The influence of the different interactions on the critical data is discussed.

Date: 1988
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:150:y:1988:i:1:p:159-171

DOI: 10.1016/0378-4371(88)90055-6

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