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Surface phase diagram of the Ising model with modified surface-bulk coupling


 
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1. Title Title of document Surface phase diagram of the Ising model with modified surface-bulk coupling
 
2. Creator Author's name, affiliation, country T. Lahcini; Groupe de Mécanique Statistique, Laboratoire de Physique Théorique, Faculté des Sciences, Université Hassan II-Aïn Chock, B.P. 5366 Maarif, Casablanca 20100; Morocco
 
2. Creator Author's name, affiliation, country N. Benayad; Groupe de Mécanique Statistique, Laboratoire de Physique Théorique, Faculté des Sciences, Université Hassan II-Aïn Chock, B.P. 5366 Maarif, Casablanca 20100; Morocco
 
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4. Description Abstract

The phase diagram of the three-dimensional Ising system with intrasurface Js and surface-bulk J^ interactions modified with respect to the bulk exchange interaction Js is studied by the use of an effective field method within the framework of a single-site cluster theory. In this investigation, the new parameter J^ strongly affects the phase diagram obtained recently in the case J^=Js. Indeed, our calculations reveal some qualitatively interesting features for the surface when the bulk is ordered or disordered. Surface magnetisations are also investigated for different values of the ratio R=Js /JB
 
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7. Date (YYYY-MM-DD) 17-03-2011
 
8. Type Status & genre Peer-reviewed Article
 
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9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/MJCM/article/view/211
 
11. Source Title; vol., no. (year) Moroccan Journal of Condensed Matter; Vol 10 (2008)
 
12. Language English=en en
 
13. Relation Supp. Files
 
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15. Rights Copyright and permissions Copyright (c)