Isospin fractionation : equilibrium versus spinodal decomposition
  This paper focuses on the isospin properties of the asymmetric nuclear-matter liquid-gas phase transition analyzed in a mean-field approach, using Skyrme effective interactions. We compare two different mechanisms of phase separation for low-density matter: equilibrium and spinodal decomposition. The isospin properties of the phases are deduced from the free-energy curvature, which contains information both on the average isospin content and on the system fluctuations. Some implications on experimentally accessible isospin observables are presented. 
Camille Ducoin (LPCC, GANIL), Philippe Chomaz (GANIL), Francesca   Gulminelli (LPCC)