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Phase diagram of the mixed spin transverse Ising model with four-spin Interactions


 
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1. Title Title of document Phase diagram of the mixed spin transverse Ising model with four-spin Interactions
 
2. Creator Author's name, affiliation, country N. Benayad; Groupe de Mécanique Statistique, Laboratoire de physique théorique et appliquée, Faculté des sciences Aïn-Chock, Université Hassan II-Casablanca, B.P 5366 Maarif, Casablanca 20100; Morocco
 
2. Creator Author's name, affiliation, country M. Ghliyem; Groupe de Mécanique Statistique, Laboratoire de physique théorique et appliquée, Faculté des sciences Aïn-Chock, Université Hassan II-Casablanca, B.P 5366 Maarif, Casablanca 20100; Morocco
 
3. Subject Discipline(s)
 
3. Subject Keyword(s) mixed spin, four-spin interactions, transverse field.
 
4. Description Abstract

The two dimensional mixed spin system consisting of spin-1/2 and spin-1 with four-spin interactions exhibits tricritical behaviour. The influence of a transverse field on this behaviour is studied with the finite cluster approximation based on a single-site cluster theory. The state equations are derived for the square lattice. It has been shown that the system keeps its tricritical behaviour, but when the strength of the transverse field approaches a critical value, all transitions become of second-order for any value of four-spin interaction.
 
5. Publisher Organizing agency, location
 
6. Contributor Sponsor(s)
 
7. Date (YYYY-MM-DD) 12-01-2012
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/MJCM/article/view/466
 
11. Source Title; vol., no. (year) Moroccan Journal of Condensed Matter; Vol 13, No 2 (2011)
 
12. Language English=en en
 
13. Relation Supp. Files
 
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
 
15. Rights Copyright and permissions Copyright (c)