Calculus of Variations and Geometric Measure Theory
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G. Alberti - G. Bouchitté - P. Seppecher

Phase Transition with Line Tension Effect

created on 05 Sep 1998
modified by alberti on 06 Mar 2007


Published Paper

Inserted: 5 sep 1998
Last Updated: 6 mar 2007

Journal: Arch. Rational Mech. Anal.
Volume: 144 (1998)
Number: 1
Pages: 1-46
Year: 1996


We make the connection between the geometric model for capillarity with line tension and the Cahn-Hilliard model for two-phase fluids. To this aim we add to the usual Cahn-Hillierd (or Ginzburg-Landau) energy an additional boundary term given by the integral of a further double-well potential. We show that in certain regimes of the paramters involved the singular limit of these energies lead to a coupled problem of bulk and surface phase transitions, and under certain assumptions agrees with the relaxation of the capillary energy with line tension.

Keywords: Line tension, singular perturbation, surface tension, Cahn-Hilliard model


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