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Stable phase interfaces in the van der Waals–Cahn–Hilliard theory

  • Yoshihiro Tonegawa EMAIL logo and Neshan Wickramasekera
Published/Copyright: September 12, 2011

Abstract

We prove that any limit-interface corresponding to a locally uniformly bounded, locally energy-bounded sequence of stable critical points of the van der Waals–Cahn–Hilliard energy functionals with perturbation parameter → 0+ is supported by an embedded stable minimal hypersurface which in low dimensions has no singularities and in general dimensions has possibly a closed singular set of co-dimension ≧ 7.

This result was previously known in case the critical points are local minimizers of energy, in which case the limit-interface is locally area minimizing and its (normalized) multiplicity is 1 a.e.

Our theorem uses earlier work of the first author establishing stability of the limit-interface as an integral varifold, and relies on a recent general theorem of the second author for its regularity conclusions in the presence of higher multiplicity.

Received: 2010-07-20
Revised: 2010-12-29
Published Online: 2011-09-12
Published in Print: 2012-07

©[2012] by Walter de Gruyter Berlin Boston

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