Volume 116, Number 1, October 2016
|Number of page(s)||6|
|Published online||17 November 2016|
On a relation between roughening and coarsening
1 Dipartimento di Fisica “E. R. Caianiello”, and INFN, Gruppo Collegato di Salerno, and CNISM, Unità di Salerno, Università di Salerno - via Giovanni Paolo II 132, 84084 Fisciano (SA), Italy
2 Dipartimento di Scienze Ambientali, Seconda Università di Napoli - via Vivaldi, Caserta, Italy
3 Dipartimento di Fisica “E. R. Caianiello”, Università di Salerno - via Giovanni Paolo II 132, 84084 Fisciano (SA), Italy
Received: 17 June 2016
Accepted: 24 October 2016
We argue that a strict relation exists between two in principle unrelated quantities: The size of the growing domains in a coarsening system, and the kinetic roughening of an interface. This relation is confirmed by extensive simulations of the Ising model with different forms of quenched disorder, such as random bonds, random fields andstochastic dilution.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 05.70.Ln – Nonequilibrium and irreversible thermodynamics
© EPLA, 2016
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