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Stability of a nonequilibrium interface in a driven phase-segregating system

Stability of a nonequilibrium interface in a driven phase-segregating system We investigate the dynamics of a nonequilibrium interface between coexisting phases in a system described by a Cahn-Hilliard equation with an additional driving term. By means of a matched asymptotic expansion, we derive equations for the interface motion. A linear stability analysis of these equations results in a condition for the stability of a flat interface. We find that the stability properties of a flat interface depend on the structure of the driving term in the original equation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review E American Physical Society (APS)

Stability of a nonequilibrium interface in a driven phase-segregating system

Laberge, Claude A; Sandow, Sven A
Physical Review E , Volume 57 (1) – Jan 1, 1998
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References (7)

Publisher
American Physical Society (APS)
Copyright
Copyright © 1998 The American Physical Society
ISSN
1095-3787
DOI
10.1103/PhysRevE.57.47
Publisher site
See Article on Publisher Site

Abstract

We investigate the dynamics of a nonequilibrium interface between coexisting phases in a system described by a Cahn-Hilliard equation with an additional driving term. By means of a matched asymptotic expansion, we derive equations for the interface motion. A linear stability analysis of these equations results in a condition for the stability of a flat interface. We find that the stability properties of a flat interface depend on the structure of the driving term in the original equation.

Journal

Physical Review E – American Physical Society (APS)

Published: Jan 1, 1998

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