Volume 43, Number 5, September I 1998
|Page(s)||552 - 557|
|Section||Condensed matter: structure, thermal and mechanical properties|
|Published online||01 September 2002|
Phase separation in systems with absorbing states
INFM Sezione di Roma 1, and Dipartimento di Fisica, Università di Roma “La Sapienza” - Piazzale A. Moro 2, I-00185 Roma, Italy
2 INFM Sezione di Camerino and Dipartimento di Matematica e Fisica, Università di Camerino - Via Madonna delle Carceri, I-62032, Camerino, Italy
3 Max-Planck Institut für Physik komplexer Systeme, Nöthnitzer Strasse 38, D-01187 Dresden, Germany
Accepted: 8 July 1998
We study the problem of phase separation in systems with a positive definite order parameter, and in particular, in systems with absorbing states. Owing to the presence of a single minimum in the free energy driving the relaxation kinetics, there are some basic properties differing from standard phase separation. We study this class of systems analytically and numerically; in particular we determine the phase diagram, the growth laws in one and two dimensions and the presence of scale invariance. Some applications are also discussed.
PACS: 64.60.-i – General studies of phase transitions / 64.60.Cn – Order-disorder transformations; statistical mechanics of model systems
© EDP Sciences, 1998
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