El Mir, H. and Saber, M. and Tucker, J.W. (1994) The dilute spin 2 Ising model: application of a new technique in effective field theory. Journal of Magnetism and Magnetic Materials, 138 (1-2). pp. 76-84.

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Abstract

A probability distribution method based on the use of Tucker's generalised Van der Waerden identities is used in a theoretical treatment of the quenched diluted spin 2 Ising model. The approach is employed within the framework of the single-site cluster theory based on the use of exact Ising spin identities. The variation of the transition temperature with site dilution is presented, and the critical concentration for ferromagnetic ordering is determined for the simple cubic, square and honeycomb lattices. The temperature dependence of the magnetization, the quadrupolar moment and other higher-order moments is also presented for selected values of site dilution. © 1994.

Item Type: Article
Uncontrolled Keywords: Approximation theory; Calculations; Crystal lattices; Integral equations; Magnetic fields; Magnetization; Mathematical models, Dilute spin two Ising model; Effective field theory; Ferromagnetic ordering; Higher order moments; Probability distribution method; Quadrupolar moment; Single site cluster theory; Site dilution; Van der Waerden identities, Magnetism
Subjects: Materials Science
Divisions: SCIENTIFIC PRODUCTION > Materials Science
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:48
URI: http://eprints.umi.ac.ma/id/eprint/3825

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