Abstract
We consider the main properties of a gaseous metal, viz., the state of metal vapor adjoining the vapor–fluid transition binodal. The gaseous metal is a mixture of electron jellium and ion cores. The jellium concentration is calculated, and the region in which jellium electrons dominate over thermally ionized electrons is determined. We consider the main peculiarities and properties of the gaseous metal for conductivity as an example: the region of existence of the gaseous metal near its binodal as well as peculiarities in the behavior of conductivity on supercritical isotherms (the existence of a minimum and asymptotics). The physical meaning of the “asymptotic form” of the conductivity for increasing density is indicated as the conductivity of vapor along the binodal of the vapor–liquid coexistence binodal.
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ACKNOWLEDGMENTS
The authors are grateful to the participants of the seminar at the Biberman Theoretical Department, the Joint Institute for High Temperatures, Russian Academy of Sciences for active and constructive discussions.
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Khomkin, A.L., Shumikhin, A.S. Gaseous Metal and the Problem of Vapor–Liquid (Insulator–Metal) Transition in Metal Vapors. J. Exp. Theor. Phys. 130, 602–609 (2020). https://doi.org/10.1134/S106377612003005X
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DOI: https://doi.org/10.1134/S106377612003005X