Volume 7, Issue 1 (6-2007)                   IJPR 2007, 7(1): 1-6 | Back to browse issues page

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A. Sadeghi, F. Shahbazi. Critical properties of the classical Heisenberg and XY models : A mean field renormalization group study. IJPR. 2007; 7 (1) :1-6
URL: http://ijpr.iut.ac.ir/article-1-86-en.html

Abstract:   (10552 Views)

 Using both mean field renormalization group (MFRG) and Surface-Bulk MFRG (SBMFRG), we study the critical behavior of the classical Heisenberg and XY models on a simple cubic lattice. Critical temperatures as well as critical exponents, characteristic the universality classes of these two models were calculated, analytically for1, 2, 3 and 4 spin clusters. The results are in good agreement with higher accurate methods such as Monte Carlo and High- temperature series.

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Type of Study: Research | Subject: General

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