The local autocorrelation time in thin film and semi-infinite model

The nearest-neighbour Ising model of a film in which exchange couplings in surface layers can differ from exchange couplings in other layers is considered. The dependence of the local autocorrelation time on distances to surfaces of the film, temperature and surface exchange couplings is discussed....

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Bibliographic Details
Published inPhysics letters. A Vol. 102; no. 7; pp. 311 - 316
Main Authors Korneta, W., Pytel, Z.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 28.05.1984
Elsevier Science
Subjects
Classical spin models
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
General theory and models of magnetic ordering
Magnetic properties and materials
Physics
Theoretical study
Correlation function
Ising model
Theory
Thin film
Magnetic transition
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Summary:The nearest-neighbour Ising model of a film in which exchange couplings in surface layers can differ from exchange couplings in other layers is considered. The dependence of the local autocorrelation time on distances to surfaces of the film, temperature and surface exchange couplings is discussed. The behaviour of the local autocorrelation time in a three-dimensional semi-infinite model is obtained assuming that the thickness of the film tends to infinity.
ISSN:0375-9601
1873-2429
DOI:10.1016/0375-9601(84)90689-3