The pinning of an interface by a planar defect

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, , Citation J T Chalker 1982 J. Phys. A: Math. Gen. 15 L481 DOI 10.1088/0305-4470/15/9/009

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1 Inst. fur Theoretische Phys., Univ. Heidelberg, Heidelberg, West Germany

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0305-4470/15/9/L481

Abstract

The behaviour of a domain wall is examined in a three-dimensional Ising model which has weaker exchange interactions near the surface than in the bulk. It is proved, within the Onsager-Temperley approximation, that the domain wall has a phase transition, being bound to the surface at low temperatures but not at high temperatures.

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