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Fernández Tejero, Carlos ; Daanoun, A. ; Lekkerkerker, H. N. W. ; Baus, M. | American Physical Society | 1995-01A variational approach based on the Gibbs-Bogoliubov inequality is used in order to evaluate the free energy of simple fuids described by a double-Yukawa pair potential. A hard-sphere reference fuid is used to describe the fuid phases, and an Ei[...]texto impreso
Fernández Tejero, Carlos ; Daanoun, A. ; Lekkerkerker, H. N. W. ; Baus, M. | American Physical Society | 1994-08-01It is shown that strongly reducing the range of the attractions of a simple fluid will transform its phase diagram from the usual type, with a fluid-fluid critical point and a fluid-fluid-solid triple point, into its fluid-solid mirror image, wi[...]texto impreso
In analogy with the well-known theory for fluids, a van der Waals theory for solids is proposed. It is shown that, in agreement with recent predictions, the competition between the van der Waals loop of the fluid and the van der Waals loop of th[...]
