%0 Journal Article %T Temperature dependence of the Helmholtz free energy of liquid alkali metals %A BK Singh %A Sudhir Singh %J BIBECHANA %P 7-12 %@ 2382-5340 %D 2013 %R 10.3126/bibechana.v9i0.7144 %X The Gibbs-Bogoliubov variational method has been considered to study the Helmholtz free energy of liquid alkali metals (Na, K, Rb and Cs) as a function of temperature, using Heine Abarenkov type model potential with Hubbard-Sham exchange and correlation function. The computed values are in very good agreement with experimental observations. %K Helmholtz free energy %K Entropy %K Specific heat %K Boltzman constant %K Perturbation energy %K Madelung energy %U http://nepjol.info/index.php/BIBECHANA/article/view/7144