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A non-local anisotropic model for phase transitions: asymptotic behaviour of rescaled energies

Published online by Cambridge University Press:  01 June 1998

Giovanni Alberti
Affiliation:
Dipartimento di Matematica Applicata ‘U. Dini’, via Bonanno 25/B, I-56126 Pisa, Italy (email: alberti@sns.it, belletti@mail.dm.unipi.it)
Giovanni Bellettini
Affiliation:
Dipartimento di Matematica Applicata ‘U. Dini’, via Bonanno 25/B, I-56126 Pisa, Italy (email: alberti@sns.it, belletti@mail.dm.unipi.it)
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Abstract

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In this paper we consider a non-local anisotropic model for phase separation in two-phase fluids at equilibrium, and show that when the thickness of the interface tends to zero in a suitable way, the classical surface tension model is recovered. Relevant examples are given by continuum limits of ferromagnetic Ising systems in equilibrium statistical mechanics.

Type
Research Article
Copyright
Copyright © 1998 Cambridge University Press