Theorie Kolloquium | October 14, 16:30

A condensation transition at equilibrium and out-of-equilibrium

Paolo Politi

Several lattice models display a condensation transition in real space when the density of a suitable order parameter exceeds a critical value. At equilibrium there are well established results and we discuss different scenarios of the condensation transition. In the out-of-equilibrium setup we consider one of such model with two conservation laws, attached to two external reservoirs, R_1 and R_2. Both reservoirs impose subcritical boundary conditions: When R_1=R_2 the system is in equilibrium below the localization threshold and no condensate appears. Instead, when R_1 differs from R_2 localization may arise in an internal portion of the lattice. This phenomenon is due to the coupled transport of two conserved quantities. In collaboration with Gabriele Gotti and Stefano Iubini.


Istituto dei Sistemi Complessi, Florence
Seminar Room 0.03, ETP
Contact: Joachim Krug