Two-point correlation function of the 2D Ising model with impurity lattice bonds
- 20 June 1982
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 15 (17) , L557-L563
- https://doi.org/10.1088/0022-3719/15/17/003
Abstract
The two-point correlation function of the 2D Ising model with small concentration of impurity bonds ( nu imp<r sigma 0) approximately 1/R1/4 for r<nu exp(c1/ nu imp) to ( sigma R delta 0) approximately exp>R, which implies the change of the critical index from 1/4 in the pure Ising model to 0 in the model with impurities.Keywords
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