Paper Information

Title: 

CRITICAL PROPERTIES OF THE CLASSICAL HEISENBERG AND XY MODELS: A MEAN FIELD AND SURFACE-BULK MEAN FIELD RENORMALIZATION GROUP STUDY

Type: PAPER
Author(s): SADEGHI AZAM,SHAHBAZI FARHAD
 
 
 
Name of Seminar: IRAN PHYSICS CONFERENCE
Type of Seminar:  CONFERENCE
Sponsor:  PHYSICS SOCIETY OF IRAN
Date:  2005Volume -
 
 
Abstract: 

USING BOTH MEAN FIELD RENORMALIZATION GROUP (MFRG) AND SURFACE-BULK MFRG (SBMFRG), WE STUDY THE CRITICAL BEHAVIORS OF THE CLASSICAL HEISENBERG AND XY MODELS ON SIMPLE CUBIC LATTICE. CRITICAL TEMPERATURES AS WELL AS CRITICAL EXPONENTS, CHARACTERIZING THE UNIVERSALITY CLASSES OF THESE TWO MODELS, CALCULATED, ANALYTICALLY FOR AND SPIN CLUSTERS. THE RESULTS ARE IN GOOD AGREEMENT WITH HIGHER ACCURATE METHODS SUCH AS MONTE CARLO.

 
Keyword(s): 
 
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