Phase diagrams for the bond- and site-diluted transverse Ising model

I.P. Fittipaldi, F.C. SáBarreto and P.R. Silva

Physica A: Statistical Mechanics and its Applications, 1985, vol. 131, issue 3, 599-611

Abstract: A unified effective-field treatment for both quenched bond- and site-diluted transverse Ising models is presented. The method which can explicitly and systematically include correlation effects, is applied to several Z-fold-coordinated lattices (Z = 3, 4 and 6) in its simplest approximate version. Although mathematically simple, it yields results quite superior to those currently obtained within the standard molecular-field treatments. Whenever comparison is possible a satisfactory qualitative (and to a certain extent quantitative) agreement is observed with results available in the literature. A particular emphasis is given to the honeycomb lattice for which no unified treatment has been done.

Date: 1985
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:131:y:1985:i:3:p:599-611

DOI: 10.1016/0378-4371(85)90134-7

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