Equation of state of fully ionized electron-ion plasmas. II. Extension to relativistic densities and to the solid phase

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dc.creatorPotekhin, A. Y.
dc.creatorChabrier, G.
dc.date2000-09-16
dc.date2002-04-03
dc.date.accessioned2026-07-07T11:28:43Z
dc.date.available2026-07-07T11:28:43Z
dc.descriptionThe analytic equation of state of nonideal Coulomb plasmas consisting of pointlike ions immersed in a polarizable electron background (physics/9807042) is improved, and its applicability range is considerably extended. First, the fit of the electron screening contribution in the free energy of the Coulomb liquid is refined at high densities where the electrons are relativistic. Second, we calculate the screening contribution for the Coulomb solid (bcc and fcc) and derive an analytic fitting expression. Third, we propose a simple approximation to the internal and free energy of the liquid one-component plasma of ions, accurate within the numerical errors of the most recent Monte Carlo simulations. We obtain an updated value of the coupling parameter at the solid-liquid phase transition for the one-component plasma: Gamma_m = 175.0 (+/- 0.4).
dc.description11 pages, 8 figures, 3 tables; RevTeX. A misprint in Eq.(16) is corrected
dc.identifierhttps://arxiv.org/abs/astro-ph/0009261
dc.identifierhttp://arxiv.org/abs/astro-ph/0009261
dc.identifierPhys.Rev.E62:8554-8563,2000
dc.identifierdoi:10.1103/PhysRevE.62.8554
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/196482
dc.subjectAstrophysics
dc.subjectPlasma Physics
dc.titleEquation of state of fully ionized electron-ion plasmas. II. Extension to relativistic densities and to the solid phase
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