Equation of state of classical binary Coulomb plasmas

A. Y. Potekhin
Ioffe Physical-Technical Institute, St.Petersburg 194021, Russia

G. Chabrier
Ecole Normale Superieure de Lyon, CRAL (UMR CNRS No. 5574), 46 allee d'Italie, 69364 Lyon Cedex 07, France

F. J. Rogers
Lawrence Livermore National Laboratory, P. O. Box 808, Livermore, CA 94550, USA

We perform hypernetted-chain calculations of the free energy, internal energy, and pressure for mixtures of different ion species and introduce a correction to the linear mixing rule, which allows a smooth transition from strong to weak Coulomb coupling in agreement with the numerical results..

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