Thermodynamic Properties of Liquid Alkali Metals Using a Charged Hard, Sphere Reference System

this journal now available and free download able at Chinese journal of physics, written by P. B. Thakor, V. N. Patel, P. N. Gajjar, and A. R. Jani from Department of Physics, Sardar Patel University, Gujarat, India, introduce The Gibbs-Bogoliubov (GB) inequality, the experiment results : Structure of liquid metals,Thermodynamic properties,Pseudopotential method.

abstraction

The Gibbs-Bogoliubov (GB) inequality is used to evaluate the Helmholtz free energy of
liquid alkali metals as a function of temperature. The structural contribution to the Helmholtz free energy is investigated by adopting a charged hard sphere fluid model. A well established single parametric local pseudopotential is applied to describe the electron-ion interaction along with five different local field correction functions viz; Hartree, Taylor, Ichimaru and Utsumi, Farid et al., and Sarkar et al., 6.2% to 51.15% of the influence on the Helmholtz free energy is concluded to be due to these local field correction functions with respect to the static Hartree dielectric function. Very good agreement with experimental results is achieved.
PACS. 61.25.M – Structure of liquid metals.
PACS. 65.50.+m – Thermodynamic properties.
PACS. 71.15.Hx – Pseudopotential method.

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