Critical properties of classical XY and Heisenberg models: A mean-field renormalization group study

Using mean-field renormalization group (MFRG) and surface-bulk mean-field renormalization group (SBMFRG) methods, we study the critical properties of classical Heisenberg and XY models. We show the exact result that there is no finite temperature phase transition in one dimension and very good values for critical exponents and critical temperatures are obtained for these models on cubic lattice in three dimensions.

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Year of publication:	2007
Authors:	Sadeghi, Azam ; Shahbazi, Farhad
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 377.2007, 2, p. 487-500
Publisher:	Elsevier
Subject:	Mean-field renormalization group \| Critical exponents \| Classical Heisenberg and XY models

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010871639