Phase-ordering and percolation

by Federico Corberi (SA)

Thursday 17 Jan 2019, 14:30 → 15:30 Europe/Rome

0M03 (Dipartimento di Fisica, M.S. Angelo)

 After reviewing some well known facts about phase-ordering - the process
 whereby an ordered phase is built out of a disordered one when a
 ferromagnetic system is quenched from above to below the critical
 temperature - I will present some recent findings in two dimensions
 showing the existence, next to the growing domains whereby local order is
 established, of a fractal object with the topology of the critical cluster
 of random percolation. I will discuss how these two radically different
 structures develop and coexist in the system and the rather broad generality of the phenomenon with
respect to different models, lattices, kinds of quenched disorder etc...