Generalized van der Waals theory of liquid-liquid phase transitions
arXiv:cond-mat/0512640 · doi:10.1103/PhysRevE.74.041201
Abstract
In the framework of the thermodynamic perturbation theory for fluids we study how the phase diagram of an isotropic repulsive soft-core attractive potential, where a liquid-liquid phase transition exists in addition to the standard gas-liquid phase transition, changes by varying the parameters of the potential. We show that existence of the liquid-liquid transition is determined by the interplay of the parameters of the potential and the structure of a reference liquid.
5 pages, 6 figures
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- Complex Phase Behavior of The System of Particles with Smooth Potential with Repulsive Shoulder and Attractive Well
- The physics of Empty Liquids: from Patchy particles to Water
- Core-Softened System With Attraction: Trajectory Dependence of Anomalous Behavior
- Structural properties of fluids interacting via piece-wise constant potentials with a hard core
- Possible phase transition in liquid Cesium at ambient pressure