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Theoretical study of the quenched diluted spin 2 ising ferromagnet in a transverse field

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  • Saber, M.
  • Tucker, J.W.

Abstract

A theoretical study of the spin 2 Ising ferromagnet with site dilution in a transverse field is presented using an effective field method within the framework of a single site cluster theory. The effective field equations are derived using a probability distribution method based on the use of generalised Van der Waerden identities, that account exactly for the single-site kinematic relations. Correlations between the site disorder and the local configurational-dependent thermal averages of the spin variables are included. The dependence of the transition temperature for longitudinal ordering is studied both as a function of the transverse field strength and the dilution. The thermal dependence of the longitudinal and transverse magnetizations, and higher order magnetization moments, are also studied.

Suggested Citation

  • Saber, M. & Tucker, J.W., 1995. "Theoretical study of the quenched diluted spin 2 ising ferromagnet in a transverse field," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 217(3), pages 407-418.
    • Handle: RePEc:eee:phsmap:v:217:y:1995:i:3:p:407-418
    DOI: 10.1016/0378-4371(95)00057-E
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    References listed on IDEAS

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    1. Tucker, J.W. & Saber, M. & Peliti, L., 1994. "A new technique in the effective field theory of general spin S dilute Ising models," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 206(3), pages 497-507.
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