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

✍ Scribed by Azam Sadeghi; Farhad Shahbazi

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
651 KB
Volume
377
Category
Article
ISSN
0378-4371

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✦ Synopsis

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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