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Equation of state of dense Hydrogen and the plasma phase transition; A microscopic calculational model for complex fluids

  • F. Perrot (a1) and C. Dharma-Wardana (a2)

Abstract

We discuss problems related to the electronic and ionic structure of fluid Hydrogen, for equation of state calculations in the domain where a ”plasma phase transition” (PPT) may occur. It is argued that the ionization of an electron bound to a particular nucleus proceeds through a progressive derealization involving ”hopping” electron states (i.e. cluster states). A description of the plasma containing pseudoatoms, pseudomolecules and free electrons is proposed. The PPT, if it exists, might be a mobility edge transition across a percolation threshold. It is shown how the effect of electron density, field-particle distributions and temperature on the binding energy of these pseudoatoms and pseudomolecules, can be included. Finally the abundances of these objects is determined by a minimization which allows the self-consistent optimization of ionic as well as electronic parameters contributing to the total free energy.

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References

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Equation of state of dense Hydrogen and the plasma phase transition; A microscopic calculational model for complex fluids

  • F. Perrot (a1) and C. Dharma-Wardana (a2)

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