Nonequilibrium Precursor Model for the Onset of Percolation in a Two-Phase System

Details Nonequilibrium Precursor Model for the Onset of Percolation in a Two-Phase System Nonequilibrium Precursor Model for the Onset of Percolation in a Two-Phase System

2001-06-08

arxiv.org/abs/cond-mat/0106174v2

Phys.Rev. E65 (2002) 036113

Physics

Condensed Matter

Statistical Mechanics

4 pages, 4 eps figures (uses epsf), Revtex. Replaced with version in press Physical Review E

Scientific paper

10.1103/PhysRevE.65.036113

Using a Boltzmann equation, we investigate the nonequilibrium dynamics of nonperturbative fluctuations within the context of Ginzburg-Landau models. As an illustration, we examine how a two-phase system initially prepared in a homogeneous, low-temperature phase becomes populated by precursors of the opposite phase as the temperature is increased. We compute the critical value of the order parameter for the onset of percolation, which signals the breakdown of the conventional dilute gas approximation.

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