Relativistic Hartree-Fock-Slater Calculations for Arbitrary Temperature and Matter Density

Abstract

An algorithm is presented to calculate electronic levels and the equation of state of atoms suitable for arbitrary matter density and temperature. The self-consistent-field treatment starts with relativistic Thomas-Fermi-Dirac model in the iterative procedure. The Fermi statistics and the central-field approximation are maintained, giving an average atom representation. The broadening of upper electronic levels into bands is taken into account in a simple approximation. Calculations are presented for the ${\mathrm{Fe}}^{26}$ and ${\mathrm{Rb}}^{37}$ atoms at several temperatures and matter densities.