TY - JOUR
T1 - Universality and crossover in an extremely anisotropic n-vector model
AU - Aharony, A.
PY - 1974
Y1 - 1974
N2 - The critical behaviour of an anisotropic n-vector model with pure single-component or Ising-like coupling is studied. The non-interacting spin components are integrated over, and the resulting single-component, reduced hamiltonian represents the gaussian model for n= infinity and the Ising-Ginzburg-Landau-Wilson model for finite n. For large n one finds T c(n)-Tc( infinity ) varies as 1/n, while the susceptibility behaves as chi approximately t-1X(1/ntphi), with t=T/Tc(n)-1 and phi =1/2(4-d).
AB - The critical behaviour of an anisotropic n-vector model with pure single-component or Ising-like coupling is studied. The non-interacting spin components are integrated over, and the resulting single-component, reduced hamiltonian represents the gaussian model for n= infinity and the Ising-Ginzburg-Landau-Wilson model for finite n. For large n one finds T c(n)-Tc( infinity ) varies as 1/n, while the susceptibility behaves as chi approximately t-1X(1/ntphi), with t=T/Tc(n)-1 and phi =1/2(4-d).
UR - http://www.scopus.com/inward/record.url?scp=36149058512&partnerID=8YFLogxK
U2 - 10.1088/0022-3719/7/4/001
DO - 10.1088/0022-3719/7/4/001
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AN - SCOPUS:36149058512
SN - 0022-3719
VL - 7
SP - L63-L67
JO - Journal of Physics C: Solid State Physics
JF - Journal of Physics C: Solid State Physics
IS - 4
M1 - 001
ER -