An equation of state for expanded metals
W. Schirmacher, W.-C. Pilgrim, F. Hensel
TL;DR
This paper introduces a model equation of state for expanded metals that incorporates a pressure term reflecting a metal-to-nonmetal transition, revealing a phase separation between metallic and nonmetallic liquids.
Contribution
It presents a novel equation of state for expanded metals including a screened-Coulomb potential term linked to the Mott-Anderson transition.
Findings
Identifies a second coexistence line in the phase diagram.
Predicts phase separation between metallic and nonmetallic liquids.
Provides a theoretical framework for expanded metal behavior.
Abstract
We present a model equation of states for expanded metals, which contains a pressure term due to a screened-Coulomb potential with a screening parameter reflecting the Mott-Anderson metal-to-nonmetal transition. As anticipated almost 80 years ago by Zel'dovich and Landau, this term gives rise to a second coexistence line in the phase diagram, indicating a phase separation between a metallic and a nonmetallic liquid.
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