Phase diagram of a spin- 1 2 bilayer system with disordered interfaces

A. Khater, G. le Gal, T. Kaneyoshi

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Abstract

The effect of disordered interfaces on the phase diagrams of a bilayer A and B, spin- 1 2 system, is analyzed, where A and B possess different bulk properties. An effective field theory is employed. In particular, the mean bulk-like transition temperature Tc of the considered system is calculated in general as a function of the different exchange constants of the system and as a function of the concentration p in the randomly disordered interface layer ApB1-p. It is shown that the existence of disordered interfaces may severely affect the phase diagrams of Tc.

Original languageEnglish
Pages (from-to)237-241
Number of pages5
JournalPhysics Letters A
Volume171
Issue number3-4
DOIs
Publication statusPublished - 7 Dec 1992
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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