A Simple Theory of Condensation

A simple assumption of an emergence in gas of small atomic clusters consisting of $c$ particles each, leads to a phase separation (first order transition). It reveals itself by an emergence of ``forbidden’’ density range starting at a certain temperature. Defining this latter value as the critical temperature predicts existence of an interval with anomalous heat capacity behaviour $c_p\propto \mathrm{\Delta }{T}^{-1\mathrm{/}c}$. The value $c=13$ suggested in literature yields the heat capacity exponent $\alpha =0.077$.